This fully resourced lesson includes an animated PowerPoint which: demonstrates a material changing its shape when acted on buy a force – deformation; demonstrates stretching and compression; demonstrates an elastic material regaining its shape after deformation; demonstrates an elastic material failing to regain its shape after the elastic material is exceeded; guides students through planning an investigation of Hooke’s Law; demonstrates that, for elastic materials within their elastic limit a graph of extension against force is a straight line and confirms Hooke’s Law. What’s Included Animated PowerPoint for teaching with exit ticket quiz Flip it (pupil writes questions to given answers) Answers PowerPoint for easy self and peer assessment Anticipation Guides (combined starter and plenary) Foldable Cut-and-stick activity pupil uses to make their own notes) Worksheet to support the PowerPoint Fact sheet Homework plus answers (2) Fact share worksheet Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains 13 resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. There are three differentiated and engaging homeworks which can also be used as classwork if so desired. All resources shown in these bundle are also available individually Forces Module 1 - Force, Weight & Mass, Friction, Balanced & Unba Forces Module 2 - Moments, Speed, Pressure & Hooke’s Law The Complete Forces Module ( Module 2 + Module 2) 7 Game Compendium for Module 1 6 Game Compendium for Module 2 Forces - 13 Game Compendium Lots more resources for forces at my shop? Elf Off the Shelf Resources

This fully resourced and differentiated lesson explains conductors and insulators in terms of high and low resistance as caused by collisions between electrons and metal ions. It then takes students through designing a circuit to teas a range of materials and a results table. Objective To know that conductors conduct electricity and non-metals do not. To know that metals are conductors and non-metals are insulators. To be able to design a test circuit and results table. To explain why some materials are conductors. . Resources Animated 11 slide PowerPoint- includes exit ticket /plenary quiz Cut and stick Anticipation guide(starter and plenary) Flip It Taboo Cards Worksheet for practical Fact sheet Foldable Fact Share Worksheet Exit ticket template ABC card template 4 Differentiated homework/classwork worksheets Flow chart lesson plan PowerPoint - answers/mark scheme. With 13 original, enjoyable and engaging pupil resources and two PowerPoints, this pack is designed to be totally bespoked by the teacher to perfectly match pupil ability, time allowed for the topic and departmental focus. Depending on the resources chosen teaching time can take between 50 minutes and 2 hours. Resources not used in the lesson can be utilized for homework and pre-exam revision/review. There are 9 differentiated learning outcomes – please see preview. A one-page flow-chart suggested lesson plan is included showing the logical places where choices between resources can be made. Instructions for use are clearly stated on each resource. Resources include elements of literacy, oracy, self-assessment, peer assessment and teacher assessment which are clearly identified on the flow-chart. The animated PowerPoint is the backbone of the lesson. The other is the answer/mark scheme for all assessment material so that self-assessment and peer assessment is extremely easy. Facility is also made for pupils to reflect on their performance. This pack is suitable for schools using interactive notebooks. [Elf Off the Shelf Shop Links to other resources in this series. Current Electricity - Everything You Need Current Electricity - Games Compendium

A comprehensive and enjoyable, fully resourced lesson on respiration including an explanation of the difference between respiration and breathing. What’s Covered Breathing is movement of air in and out of the lungs. Respiration is the release of energy from glucose. Breathing provides the oxygen for aerobic respiration and gets rid of waste carbon dioxide. Label the trachea, right bronchus, bronchiole, alveolus, intercostal muscle, rib, diaphragm. Label a diagram of an alveolus and show the direction of diffusion of oxygen and carbon dioxide. Experiment using limewater to compare the amount of carbon dioxide in inhaled and exhaled air. Compare the percentage of oxygen, carbon dioxide and nitrogen in inhaled and exhaled air. Mechanism of breathing. Changes in volume and pressure inside the chest during inhalation and exhalation. Evaluate a model of the mechanism of breathing. Design an investigation into how breathing rate varies with exercise. ** What’s Included** Animated PowerPoint for teaching with exit ticket quiz Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable Cut and stick activity. Worksheet to support the PowerPoint Fact sheet Homework plus answers Fact share worksheet Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains thirteen resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made.

This action-packed lesson on the relationship between resistance and current is fully resourced and differentiated with 13 activities including starter, plenary, exit ticket quiz plus homeworks and 12 learning outcomes. Easy to follow instructions are given on the PowerPoint and worksheets so that the lesson practically runs itself. The activities include literacy, group work, peer assessment, self-assessment, pupil response to assessment, feedback to teacher on pupil learning via the exit ticket quiz and a practical. This pack contains material for two hours lesson time in total to enable the teacher to select and totally bespoke their lesson according to pupil ability, time available for the topic and focus of departmental/school policy. Resources not used in the lesson can be additional homework or used for pre-examination revision. An easy to follow one-page flow chart lesson plan indicates where logical choices between resources can be made and indicates whether each activity includes literacy, oracy or AFL . Objective To know that resistance is the result of electrons colliding with the metal ions in a conductor. To know that resistance increases with the number of metal ions such in a longer wire. To predict the outcome and design an experiment to investigate the relationship between resistance and current by adding lamps to a circuit. To design a results table. to draw a bar graph of the results of the experiment. Resources Animated 17 slide PowerPoint- includes exit ticket /plenary quiz Cut and stick Anticipation guide(starter and plenary) Flip It Taboo Cards Worksheet for practical Fact sheet Foldable Fact Share Worksheet Exit ticket template ABC card template 2 Differentiated homework/classwork worksheets Flow chart lesson plan PowerPoint with answers /detailed mark schemes for homework/classwork sheets-pupils of all abilities can self-assess or peer assess. Elf Off the Shelf Shop Links to other resources in this series. Intro to Current Electricity 1 Intro to Current Electricity 2 Intro to Current Electricity 3 Current Electricity - Everything You Need

This action-packed lesson introduces current as a flow of electrons and explains the relationship between current, voltage and resistance using the analogy of a diver using up energy obtained from food and giving off heat as they swim through pipes filled either with water (low resistance) or water and rocks (high resistance). The food as a source of energy is then replaced by the battery, the diver by the electron and the rocks by metal ions. Both scenarios are animated in the PowerPoint. This explanation is then extended to compare the resistance of long, short, thick and thin wires. The practical explores the conditions needed for current to flow in a circuit. Objective To know that current is a flow of electrons through a conductor when they are given energy or pushed by a voltage from the battery. To know and explain how metal ions cause resistance. To know and explain the comparative resistance of wires according to length and thickness. To explain why electrons lose more heat passing through a high resistance conductor. To know the conditions needed for current to flow in a circuit. Resources Animated 17 slide PowerPoint with exit ticket quiz Cut and stick Anticipation guide(starter and plenary) Flip It Taboo Cards Worksheet for practical Fact sheet Foldable Fact Share Worksheet Exit ticket template ABC card template 4 Differentiated homework/classwork worksheets One-page Flow chart lesson plan PowerPoint with answers /mark scheme With 14 original, enjoyable and engaging pupil resources and two PowerPoints, this pack is designed to be totally bespoked by the teacher to perfectly match pupil ability, time allowed for the topic and departmental focus. Depending on the resources chosen teaching time can take between 50 minutes and two hours. Resources not used in the lesson can be utilized for homework and pre-exam revision/review. There are 14 differentiated learning outcomes – please see preview. A clear and concise one-page flow-chart lesson suggested lesson plan is included showing the logical places where choices between resources can be made. Instructions for use are clearly explained on each resource. Resources include elements of literacy, oracy, self-assessment, peer assessment and teacher assessment which are clearly identified on the flow-chart. Elf Off the Shelf Shop Current Electricity - The Whole Module Current Electricity - Dominoes Current Electricity - Games Compendium

This fully resourced lesson included an animated PowerPoint which: makes understanding air resistance as collisions between the front of an object and air particles very easy to understand; demonstrates why streamlined bodies reduce air resistance to travel faster; provides a visual explanation of the relationship between acceleration due to gravity, sir resistance, steady speed and why parachutes work. Understanding is reinforce by two simple but exciting practicals investigating : The relationship between surface area of a parachute and air resistance Do streamlined objects travel faster in water? What’s Included Animated PowerPoint for teaching with exit ticket quiz Answers PowerPoint Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable Cut-and-stick activity pupil uses to make their own notes) Worksheet to support the PowerPoint (X3) Fact sheet Homework plus answers (x3) Fact share worksheet 12 Taboo cards Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains 16 resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. There are three differentiated and engaging homeworks which can also be used as classwork if so desired. All resources shown in these bundle are also available individually Forces Module 1 - Force, Weight & Mass, Friction, Balanced & Unba Forces Module 2 - Moments, Speed, Pressure & Hooke’s Law The Complete Forces Module ( Module 2 + Module 2) 7 Game Compendium for Module 1 6 Game Compendium for Module 2 Forces - 13 Game Compendium Lots more resources for forces at my shop? Elf Off the Shelf Resources

This action-packed lesson on Ohms Law is fully resourced and differentiated with 11 activities and 9 learning outcomes Easy to follow instructions are given on the PowerPoint and worksheets so that the lesson practically runs itself. The activities include literacy, group work, peer assessment, self-assessment, pupil response to assessment and feedback to teacher on pupil learning via the exit ticket quiz This pack contains material for two hours lesson time in total to enable the teacher to select resources in order to totally bespoke the lesson according to pupil ability, time available for the topic and focus of departmental/school policy. Resources not used in the lesson can be additional homework or used for pre-examination revision. An easy to follow one-page flow chart lesson plan indicates where logical choices between resources can be made and indicates whether each activity includes literacy, oracy or AFL . Objective • To know that metal ions cause resistance. • To be able to explain why some materials have a high resistance and others a low resistance. • To understand why resistance reduces current. • To understand that collisions between metal ions and electrons releases energy. • To understand that appliances are made using materials with different resistances to produce different effects. • To use Ohms Law to find resistance. Resources Animated 14 slide PowerPoint- includes exit ticket /plenary quiz Cut and stick Anticipation guide(starter and plenary) Flip It Taboo Cards Worksheet for practical Fact sheet Foldable Fact Share Worksheet Exit ticket template ABC card template Differentiated homework/classwork worksheets Flow chart lesson plan PowerPoint with answers /detailed mark schemes for homework/classwork sheets-pupils of all abilities can self-assess or peer assess. Elf Off the Shelf Shop Links to other resources in this series. Current, Voltage and Resistance - What Are They? Conductors and Insulators Circuits and Symbols Intro to Current Electricity 1 Intro to Current Electricity 2 Intro to Current Electricity 3 Current Electricity - Everything You Need

Including atoms, molecules, elements, compounds, chemical symbols and formulae and naming compounds, this is a unique diagnostic tool to check understanding and produce a personal review sheet. It can be used after the module has been taught or as a review lesson prior to testing. What is Included 54 Question PowerPoint Answers PowerPoint Student answer sheet Fact Sheet Suggested Lesson Plan Students have some time to review the fact sheet either independently or with teacher. Students use the answer sheet to write down the answers to the questions on the Question PowerPoint Students check their answers against the answer PowerPoint On the fact sheets, students circle the numbers of the questions they got wrong on the answer sheet. This gives them a review list of facts to take away with them. Lots more resources at my shop? Elf Off the Shelf Resources

A comprehensive and enjoyable introduction to forces. What’s Covered Force is a pull or a push with examples. Arrows indicate the direction of force. Contact and non-contact forces explained and examples Forces can change an objects speed, direction or shape The Newton and newtonmeter. Real-life examples of forces. Practical The first simple practical gives pupils experience in reading scales as they find the weight of their pencil case and other items provided by the teacher. (selection of different objects and different size newtonmeters needed) The second practical introduces an element of fun and competition by using a bathroom scales calibrated in Newtons (an ordinary bathroom scales can be used but multiply the reading in kilograms by 10) to find the person with the strongest grip in the class (photograph of how to do this shown on the PowerPoint) What’s Included Animated PowerPoint for teaching with exit ticket quiz Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable Cut-and-stick activity pupil uses to make their own notes) Worksheet to support the PowerPoint Fact sheet Homework plus answers (x3) Fact share worksheet 12 Taboo cards Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains fifteen resources so that the teacher can use them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. There are three differentiated and engaging homeworks which can also be used as classwork if so desired. All resources shown in these bundle are also available individually Forces Module 1 - Force, Weight & Mass, Friction, Balanced & Unba Forces Module 2 - Moments, Speed, Pressure & Hooke’s Law The Complete Forces Module ( Module 2 + Module 2) 7 Game Compendium for Module 1 6 Game Compendium for Module 2 Forces - 13 Game Compendium Lots more resources for forces at my shop? Elf Off the Shelf Resources

This is a challenging, engaging and enjoyable boardgame, for up to six pupils per set, with 54 question cards on the structure and differences between plant and animal cells and cell specialisation. The specialised cells included are: • red blood cells; • root hair cells; • fat cells; • palisade cells; • sperm cells; • egg cells; • nerve cells, • ciliated cells. Included in this Pack • Game board • 54 Question cards with questions of varying difficulty • Teacher answer sheet • Instruction sheet. Preparation • Photocopy game board onto A3 paper or card (Colour and greyscale versions included). • Photocopy question sheets onto paper or card (Colour and greyscale versions included) and cut into question cards. How to Play • Highest score of dice starts • Pupils take turns and work their way around the board following the instructions in the squares. • Certain squares instruct the pupil to take a question card from the face down pile. If correct they move on 2 spaces. • If a player thinks an answer given by an opponent is incorrect they can challenge. If the challenge is correct the challenger moves forward 2 spaces. If the challenge is wrong the challenger moves back two spaces. • In the event of a challenge, pupils are encouraged to consult their books but the teacher has a quick-check answer sheet. Fully resourced and differentiated lessons on these topics are available. Plant and Animal Cells - Structure and Differences KS3 Cell Specialisation KS3 Plant and Animal Cells - Structure, Differences and Specialisation Plant and Animal Cells, Structure and Differences KS3 - Fully Resourced Revision Lesson or Plenary Specialised Cells KS3 - Fully Resourced Revision Lesson or Plenary Plant and Animal Cells KS3 - 42 Question Card Sort Team Game More resources available at my shop Elf Off the Shelf Shop

A comprehensive and enjoyable introduction to atoms, molecules, elements, compounds, the periodic table, chemical symbols, formulae and naming compounds. What’s Covered All atoms of one element are the same but are different from the atoms of other elements. Atoms combine to form molecules. If combining atoms are from the same element, a molecule of an element is formed. If combining atoms are from different element, a molecule of a compound is formed. An element contains only one type of atom A compound contains two or more different types of atom. Elements are listed in the periodic table. Each element has its own symbol. Symbols can be the first letter of the name (capital), two letters from the name (capital then lowercase) or taken from the Latin name of the element. The formula of a compound tells you how many atoms of each element are in it. Working out the number of atoms of each element in a compound from its formula. Naming compounds with the groups CO3, SO4, NO3. Compounds containing only two atoms end in ide. Mono = 1, di = 2, tri = 3. What’s Included Animated PowerPoint for teaching with exit ticket quiz Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable Cut and stick activity. Worksheet to support the PowerPoint Fact sheet Homework plus answers (x2) Fact share worksheet Pupil progress self-assessment checklist Periodic table Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains thirteen resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. There are three differentiated and engaging homeworks which can also be used as classwork if so desired. Lots more resources at my shop? Elf Off the Shelf Resources

A comprehensive and enjoyable fully resourced lesson on shadows and lunar and solar eclipses for middle school. What’s Covered The shadow of a point source only has an umbra but the shadow of a large point source has an umbra and a penumbra. If the light source moves closer to the object, the shadow gets bigger. If the object moves closer to the screen, the shadow gets smaller . A lunar eclipse happens when the Earth stops all, or some, of the Sun’s light from reaching the Moon. The Moon orbits the Earth once every 29.5 days. When the entire moon passes through the Earths penumbra it appears slightly darker (penumbral eclipse). If only part of the moon passes through the Earth’s umbra it is a partial eclipse. A solar eclipse happens when the Moon stops all, or some, of the Sun’s light from reaching the Earth A person on Earth, standing in the Moon’s umbra will see a total solar eclipse. A person on Earth, standing in the Moon’s penumbra will see a partial solar eclipse. When the Moon is at its furthest point from Earth, it no longer covers the whole surface of the Sun and an annular eclipse is seen from the umbra. The Moon’s orbit is angled relative to the Earth so the Sun, Earth and Moon are not often in the alignment needed for a lunar Eclipse to occur. When the entire moon passes through the Earths umbra it appears red due to refracted red light (total or umbral eclipse). What’s Included Animated PowerPoint for teaching with exit ticket quiz Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable Cut and stick activity. Worksheet (x2) to support the PowerPoint Fact sheet Homework Fact share worksheet Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains fourteen printable resources as it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. More high quality resources available here. Elf Off the Shelf Resources

This is a diagnostic tool to check understanding of a forces module of work which includes: definition, units and measurement of forces; mass and weight; friction; air resistance; balanced and unbalanced forces. It can be used after the module has been taught or as a review lesson prior to testing. This lesson is an extremely useful tool to check for understanding which can be used as a final lesson for a module of work on forces or as a revision lesson. What is Included 54 Question PowerPoint Answers PowerPoint Student answer sheet Fact Sheet Suggested Lesson Plan Students have some time to review the fact sheet either independently or with teacher. Students use the answer sheet to write down the answers to the questions on the Question PowerPoint Students check their answers against the answer PowerPoint On the fact sheets, students circle the numbers of the questions they got wrong on the answer sheet. This gives them a review list of facts to take away with them. All resources shown in these bundle are also available individually Forces Module 1 - Force, Weight & Mass, Friction, Balanced & Unba Forces Module 2 - Moments, Speed, Pressure & Hooke’s Law The Complete Forces Module ( Module 2 + Module 2) 7 Game Compendium for Module 1 6 Game Compendium for Module 2 Forces - 13 Game Compendium Lots more resources for forces at my shop? Elf Off the Shelf Resources

A fantastic back to school or end of year activity which is ideal for welcoming students back from lockdown and starting to rebuild community. It is a team activity which can easily be undertaken by students while meeting the requirements of social distancing and there is a reminder to so at the beginning of each team round. It is a 61 question, animated, interactive team quiz with built – in scoreboard for up to seven teams. All questions are pictorial and multiple choice. A wide range of general knowledge questions and tasks are included. As well as asking a question, a lot of slides also provide some interesting snippets about the topic so pupils are expanding their general knowledge as well as enjoying the activity. Topics include: geography history nature science music astrology astronomy flags of the world famous people famous landmarks current affairs Team Rounds Each team will attempt their general knowledge team round of three questions. The answer to each question must be decided by the whole team. If a wrong answer is given, the next question goes to the first hand up and, if correct, that person’s team get to try the rest of the round. Each team will also have to solve the clues to identify a well - known phrase or saying. There are four lightning rounds in which team members consult to try to identify a slowly revealed person or landmark. Memory Test – questions on the order and detail of eleven objects which cross the screen then disappear. Individual Rounds Four unscramble and identify rounds which consists of a picture which has been cut up and rearranged. Memory Test – give coordinates of fish which have moved around a pond. Finally, the fifteen - question individual bonus round. This round allows flexibility in terms of the time the quiz takes as not all the questions have to be attempted. The quiz therefore can last between 40 and 50 minutes. Full instructions are given on the PowerPoint itself. Why not have a look at my shop? Elf Off the Shelf Resources

Using cake making to explain conservation of mass, the animated PowerPoint then demonstrates balancing equations using particle models and leads seamlessly into balancing equations with chemical formulae. The PowerPoint, which is accompanied by a worksheet, provides hints and tips on balancing equations, many animated worked examples and exercises. A further worksheet can be use as classwork or homework and this is supported by a second PowerPoint providing answers to enable easy self and peer assessment. What’s Included Animated PowerPoint Answer PowerPoint Pupils progress checklist Anticipation guide for starter and plenary Worksheet Worksheet/homework For more high quality resources visit: Elf Off the Shelf Resources

This fully resourced lesson on mixtures for middle school includes an animated PowerPoint which: explains why elements and compounds are pure substance and mixtures are not; explains the terms solute, solvent, solution, soluble and insoluble; uses particle theory to explain why stirring, temperature and particle size affect the rate of dissolving; provides the opportunity to plan an investigation into the effect of temperature on the rate of dissolving; uses particle theory to explain dissolving, suspensions and saturated saturated solutions; demonstrates extracting information from solubility curves; What’s Included Animated PowerPoint for teaching with exit ticket quiz and all answers to classwork and homework) Flip it (pupil writes questions to given answers) Anticipation Guides (combined starter and plenary) Foldable (students use to make their own notes) Cut-and-stick activity pupil uses to make their own notes) Worksheet to support the PowerPoint (x3) Fact sheet Homework (x3) plus answers Fact share worksheet 12 Taboo cards Pupil progress self-assessment checklist Exit Ticket Suggested lesson plan showing choices possible between resources This pack contains 18 printable resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. More high quality resources available here. Elf Off the Shelf Resources

Twelve task cards on pressure. Required Knowledge Pressure = force/area; Units for pressure as N/m2 and Pascals; Upthrust and floating and sinking; The number air particles decrease with altitude Atmospheric pressure decreases with altitude. Everyday applications of pressure. Some cards are more challenging than others and many cards have several related tasks with varying degrees of difficultly. Answers are provided on an animated PowerPoint with one slide per task card so that the answers can also be easily photocopied. This makes self-assessment and peer assessment extremely easy. All resources shown in these bundle are also available individually Forces Module 1 - Force, Weight & Mass, Friction, Balanced & Unba Forces Module 2 - Moments, Speed, Pressure & Hooke’s Law The Complete Forces Module ( Module 2 + Module 2) 7 Game Compendium for Module 1 6 Game Compendium for Module 2 Forces - 13 Game Compendium Lots more resources for forces at my shop? Elf Off the Shelf Resources

Finish and reinforce a module of work on magnets or revisit it prior to exams with this innovative, enjoyable and challenging escape room lesson. Prior Knowledge Required Magnetic materials can be made into magnets. Iron, cobalt and nickel and their alloys are magnetic materials. Unlike poles attract and like pole repel. There is an invisible magnetic field around a magnet made up of field lines. Draw the field lines around a bar magnet. The closer together the field lines the stronger the magnetic field. Draw the field lines around two bar magnets with like and unlike poles facing. There are more field lines around the poles where the magnetic field is strongest. The magnetic field strength gets less as distance from the magnet increases. Field lines point away from the south pole and towards the north pole of a magnet. When a magnetic material is made into a magnet, the randomly facing domains all line up to point in the same direction. The Earth acts as though there as a south-type pole at magnetic north and a north-type pole at magnetic south. Explain how an electric bell, a circuit breaker and a relay work Pupils have to work their way through the clues to find the code to a combination lock on the school exam paper store in which the school nurse has been accidentally locked. The pack contains: PowerPoint – scene setting and instructions (sound effects and built-in timer); crossword; word search; dominoes activity; worksheet; code breaker sheet; answer keys; lesson plan. If time is limited just the crossword, word search and domino can be used. The worksheet is the most challenging clue to solve and this can be omitted completely for less able classes. Both 3 and 4 number combination locks can be purchased very cheaply online or the teacher can pretend to phone the school office for the staff to attempt to release the nurse. More high quality resources available here. Elf Off the Shelf Resources