Homework sets and multiple choice exam practice problems to support the learning of a unit on Acids, Bases, and Salts. All questions (124 in all!) are editable and ANSWERS are provided for each!. Learners will answer questions about: • Acid-base definitions • Hydrogen ions and acidity • pH calculations • hydrogen ion and hdyroxide ion concentrations • acid and base strength • acid dissociation constant • neutralisation reactions • salts in solution • titration calculations This resource is meant to be used by teachers in the US.

A collection of crossword puzzles with answers to support the learning of some KS3 Science units. 1) Earth, Moon and Sun 2) Structure and Function of Living Organisms Part 1 3) Structure and Function of Living Organisms Part 2 4) Electrical Circuits 5) Sound and Hearing 6) Magnets and Electromagnets

This resource includes a highly visual 34-slide PowerPoint presentation, scaffolded notes for pupils, and a worksheet. In this resource, pupils will learn... 1) to compare and group together different kinds of rocks on the basis of their appearance and simple physical properties 2) to recognise that soils are made from rocks and organic matter 3) the rock cycle and the formation of igneous, sedimentary and metamorphic rocks 4) to understand how cooling and solidifying of magma results in formation of igneous rocks. 
 5) to understand that sedimentary rocks are made by processes which include the deposition of rock fragments or organic material, or as a result of evaporation. 
 6) to understand how rock fragments are transported by flowing water or wind, and how grain size affects transport and settling of sediment; understand how landscape can be eroded. 
 7) to understand that metamorphic rocks are formed by action of heat and pressure on existing rocks. 
 8) to understand the meaning of the term ‘mineral’. 
 9) to know how forces generated by expansion, contraction and the freezing of water can lead to the physical weathering of rocks. 
 10) to know the different layers of a soil profile I hope you find this resource helpful.

This resource pack includes 2 of my most popular resources on TES: Magnetism Parts 1 and 2 A total of 61 interactive and and visually appealing slides are included to help Year 7 or Year 8 pupils learn and understand magnetism. Scaffolded note-taking worksheets for pupils have been customized to be used during the series of lessons. Additional worksheets and assessments are also included. The learning objectives are listed below. By the end of these lessons, learners will: 1) be introduced to the discovery and history of magnets 2) know the elements that have magnetic properties 3) observe how magnets attract or repel each other and attract some materials and not others 4) compare and group together a variety of everyday materials on the basis of whether they are attracted to a magnet, and identify some magnetic materials 5) describe magnets as having 2 poles 6) predict whether 2 magnets will attract or repel each other, depending on which poles are facing 7) know that materials contain groups of spinning electrons called domains 8) know that the domains are aligned in magnetic materials 9) know that the domains of a non-magnetic material are not aligned 10) learn about magnetic fields by plotting with compass, representation by field lines 11) learn about Earth’s magnetism, compass and navigation 12) explore the magnetic fields of permanent and induced magnets, and the Earth’s magnetic field 13) discover that a magnet can be made by stroking a steel bar with the same pole of a permanent magnet from one end to the other end in one direction 14) be able magnetise a needle and use it as a simple compass. 15) discover that when electric current flows through an insulated wire wound around an iron core, the core becomes a magnet 16) be able to build a simple electromagnet 17) explore ways to manipulate a variety of variables to increase the strength of the electromagnet 18) know some uses of electromagnets 19) distinguish between a permanent magnet and an electromagnet 20) learn the components of an electric bell and how an electric bell works Please rate and comment. Cheers.

Homework sets, worksheet and sample test questions to support the learning of a unit on STOICHIOMETRY (Chemical Calculations). • 78 Questions in all • All questions can be edited • ANSWERS are included for each problem. Learners will solve problems related to: • chemical calculations of the masses, moles and volume of substances in a chemical reaction • Identify the limiting and excess reactants • calculations of the theoretical yield and percent yield This resource is meant to be used by teachers in the US.

This resource includes a 56 slide PowerPoint presentation. • Includes sound clips to bring the learning to life • Animations have been thoughtfully used to promote participation from lower achieving students and discussion from higher ability ones. • 26 learning outcomes listed below By the end of these lessons, pupils will: 1. recognise that sound is made by objects that vibrate 2. define that the frequency of vibration of the source is measured in Hertz (Hz) 3. discuss how sound is made in different musical instruments 4. know that a vibrating source causes the layers of air around it to move 5. discover that sound travels by compressing and expanding the surroundings 6. express that sound travels as a longitudinal wave 7. discover that sound travels best through solids and worst through gases because of the arrangement of the particles 8. explore the relative speed of sound in different mediums 9. explain that sound waves cannot travel through a vacuum because there are no molecules 10. know that sound waves detected by the ear cause the ear drum to vibrate 11. explore the structure of the ear 12. describe how sound is transmitted through the ear to the brain 13. know that different people have different ranges of hearing 14. know that the average human range of hearing is 20 to 20,000 Hz 15. define that loudness is measured in decibels (dB's) 16. discuss that 0 dB is the threshold of hearing and 130 dB's is the threshold of pain whilst 140 dB's causes damage 17. discuss that loud sounds can have permanent and temporary effect on the ear 18. discuss some common causes of ear damage 19. define that noise is unwanted sound 20. discover that a loud sound is produced by a large vibration and vice versa 21. discover that a high pitched sound is produced by a very frequent (quick) vibration and vice versa 22. know that an microphone can change sound to electricity and that this can then be displayed on an oscilloscope 23. know that the wave displayed on an oscilloscope is a transverse wave 24. demonstrate how to identify the amplitude, the wavelength and the frequency of a wave 25. recognise the link between the loudness of the sound and the amplitude of the wave 26. recognise the link between the pitch of the sound and the frequency/wavelength of the wave

This resource includes a PowerPoint presentation and differentiated homework tasks for a lesson on Satellites for KS3 Astronomy and Space Science for Year 9. Topics include: What are satellites? What are artificial satellites and natural satellites? How do satellites stay in orbit? Differentiate between a geostationary orbit and a polar orbit. Discuss different uses of polar satellites and geostationary satellites. History and advances in satellites. Parts of a satellite Tracking space junk There is also a 6 question plenary at the end of the lesson.

Homework sets and multiple choice exam practice problems to support the learning of a unit on The Periodic Table. All questions (120 in all!) are editable and ANSWERS are provided for each!. Learners will answer questions about: • Groups and periods in the periodic table • Metals, nonmetals and semi-metals in the periodic table • Transition metals in the periodic table • Properties of metals, nonmetals, semi-metals and transition metals • Electron configuration • Energy levels, sub-levels and orbitals • Periodic table trends - atomic size • Periodic table trends - ionic size • Periodic table trends - electronegativity • Periodic table trends - ionization energy This resource is meant to be used by teachers in the US.

Homework sets, practice problems and multiple choice exam practice problems to support the learning of naming and writing chemical formulae for ionic compounds, molecular compounds, acids and bases. • More than 88 questions are included • All questions are editable • All ANSWERS are included This resource is meant to be used by teachers in the US.

Homework sets, a practice quiz and sample test questions to support the learning of a unit on Thermochemistry. • Loads of sample multiple choice test questions • Short answer and essay questions • Homework sets • Lab Worksheet • Includes over 90 questions in all! • Great for SAT II Chemistry preparation • All questions are EDITABLE and include ANSWERS.

Homework sets and sample test questions to support the learning of The Chemistry of Water. • 85 Questions • All questions are editable • Answers are included Some of the topics in this unit include: • Water's unique properties • Hydrogen bonds • Homogeneous aqueous solutions • Polarity • Dissolving • Solubility • Electrolytes • Hygroscopic substances • Dissociation • Hydrates • Heterogeneous aqueous systems, colloids, suspensions and solutions • Brownian motion This resource is meant to be used by teachers in the US.

Homework sets and multiple choice exam practice problems to support the learning of a unit on Chemical Kinetics and Equilibrium. All questions (102 in all!) are editable and ANSWERS are provided for each!. Learners will answer questions about: • Reaction rates • Factors affecting reaction rates • Equilbrium • Factors affecting equilbrium position • Equilbrium constant expression • Solubility equilibrium • Entropy and free energy • Rate law • Orders of reaction • Reaction mechanism This resource is meant to be used by teachers in the US.

Homework sets with ANSWERS and multiple choice exam practice problems to support the learning of Covalent Bonding. • Includes 87 questions in all • All questions are editable • All answers are included Topics covered in these questions include: • molecular compounds • covalent bonding • molecular shapes (VSEPR theory) • hybrid orbitals • polarity • and intermolecular forces. This resource is meant to be used by teachers in the US.

This resource is broken up into 2 parts. These 2 parts covers many of the important models of the atom. From Democritus and Dalton to Thomson and Rutherford. Part 1 includes 31 slides that covers the early models of the atom. This includes Democritus, Aristotle, and John Dalton and Dalton's atomic theory. An interactive quiz to review the topic is included at the end of the lesson. Part 2 is a highly visual 57-slide powerpoint. These activities engages learners to rediscover JJ Thomson's cathode ray tube experiment and visualise the "plum pudding" model of the atom. The second half details Rutherford's gold foil experiment and the discovery of the nucleus. A crossword puzzle and summary sheet to revise both Part 1 and Part 2 are also provided. I hope you find these lessons useful. Please rate and comment. Thank you.

Homework sets, a worksheet and sample test questions to support the learning of SOLUTIONS. • Includes a total of 102 questions • All questions are EDITABLE • ANSWERS are included for each question Topics include: • Properties of solutions • solubility • saturated, unsaturated and supersaturated solutions • molarity • molality • percent by mass • percent by volume • dilution calculations • colligative properties of solutions - freezing point, vapor pressure, boiling point • calculations involving colligative properties This resource is meant to be used by teachers and students in the US.

This two-lesson sequence introduces learners to viruses. It includes: • A 31-slide PowerPoint presentation that includes many visual aids and is thoughtfully animated to allow opportunities for discussions during the lesson. • An interactive note-taking worksheet (double-sided A4 size) customized for the presentation. I find that taking notes in this manner keeps lower-level students engaged while allowing differentiation for higher achievers.

This 45-slide PowerPoint and accompanying Lesson Notes teaches the strength of acids and bases. Learners often have misconceptions related to 'concentration' and 'strength' in reference to acids and bases. One of the aims of this lesson is to correct this misconception. The other main aims are listed below. A worksheet (with answers) to practice pH and pKa calculations is also included. By the end of this lessons, students will: 1) discuss and share their initial conceptions of acid strength. 2) be able to define strong acids and weak acids 3) be able to relate the strength of an acid to the value of its acid dissociation constant, Ka 4) learn to calculate an acid dissociation constant 5) be able to differentiate between concentrated acid and strong acid 6) identify common strong and weak acids and bases in everyday life 7) Calculate the pH of strong acid solutions 8) Calculate the pH of weak acid solutions I hope you find this lesson useful. FREE BONUS w/purchase: To receive one of my new paid resources as a free gift, please visit my website. The link can be found at my Store (click on my username).