# Science Lessons 4 You

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Having taught in the UK and abroad, I've experienced teaching many different syllabi including SABIS, AQA, WJEC and Cambridge. I develop resources to help teachers model key concepts, provide practice for students and include answers to help students self-assess their work. Planning for a 27 lesson week can be stressful to say the least, so I hope you find my resources useful. Thank you for choosing my lesson/s, I hope they enrich your teaching practice and make your life easier.

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Having taught in the UK and abroad, I've experienced teaching many different syllabi including SABIS, AQA, WJEC and Cambridge. I develop resources to help teachers model key concepts, provide practice for students and include answers to help students self-assess their work. Planning for a 27 lesson week can be stressful to say the least, so I hope you find my resources useful. Thank you for choosing my lesson/s, I hope they enrich your teaching practice and make your life easier.

#### Effect of Temperature on Rate of Reaction

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Learning objectives: To describe how temperature affects the rate of reaction. To use collision theory to explain how changing temperature alters the rate of reaction.

#### GCSE Electrolysis of Molten Compounds Including Half-Equations

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PowerPoint that covers the following learning objectives: Describe electrolysis in terms of movement of ions when an ionic compound is molten. Predict the products at each electrode for the electrolysis of a molten ionic compound. Explain whether the reactions at each electrode are oxidation or reduction. Write half equations for oxidation and reduction reactions. This includes diagrams, questions, answers and explanations. This is made for a GCSE chemistry class. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

#### Weight and Terminal Velocity

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Describe the difference between mass and weight. Describe the forces acting on an object falling through a fluid. Explain what terminal velocity is and when it is reached.

#### Chemistry Calculating Moles Worksheet

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Practice calculating number of moles, relative formula mass and mass with these tiered questions. Answers included. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

#### GCSE Crude Oil and Hydrocarbons

5 Resources
Lesson 1 - Crude Oil, Hydrocarbons and Alkanes Lesson 2 - Fractional Distillation, Fractions and Uses of Fractions Lesson 3 - Properties of Hydrocarbons Lesson 4 - Combustion of Hydrocarbons Lesson 5 - Cracking Hydrocarbons

#### GCSE Reactions of Metals with Oxygen and Water

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PowerPoint that covers the following learning objectives: Describe the reaction between metals and oxygen and write the word and symbol equation for this. Describe the reaction between metals and water and write the word and symbol equation for this. Deduce the order of reactivity for metals reacting with oxygen and with water. Includes questions, answers, word equation practice and chemical symbol equation practice. This is made for a GCSE chemistry class.

#### The Particle Model

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Learning Objectives: State that materials are made up of particles. Describe how the features of the particles can affect the properties. Evaluate particle models.

#### Convex and Concave Lenses

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PowerPoint that covers the following learning objectives: Investigate how light travels through a lens. Describe the difference between a convex lens and a concave lens. Identify the focal point in a light ray diagram of a convex lens. This is made for a KS3 science class. Includes questions, answers, diagrams and link to a virtual simulation.

#### GCSE Chemical Calculations

4 Resources
Lesson 1 - Conservation of Mass Lesson 2 - Ar, Mr and Calculating % Mass of an Element in a Compound Lesson 3 - The Mole and Calculating Number of Moles, Mass or Ar/Mr Lesson 4 - Reacting Masses in Equations If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

#### Rates of Reaction

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To define rate of reaction and the units for rate of reaction. To plot and use a graph to calculate the gradient to measure the initial rate of reaction. To calculate the gradient of a tangent to the curve on these graphs as a measure of rate of reaction at a specific time.

#### GCSE Centre of Mass

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• Define what the centre of mass is and identify where it would be in a range of simple shapes. • State that a suspended object will come to rest so that the centre of mass lies below the point of suspension. • Describe an experimental technique to determine the centre of mass of an object with an irregular shape. • Compare the stability of objects to the position of their centre of mass.

#### Investigating the Effect of Exercise on Breathing Rate

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PowerPoint that covers the following learning objectives: Explain why breathing rate increases during exercise. Plan and carry out an investigation to measure the effect of exercise on breathing rates. This is made for a KS3 level science class. Includes: a mind-map, questions, answers, tables, variables, prediction, method, help with the bar graph, conclusion and evaluation.

#### Stomata and Adaptations of a Leaf for Photosynthesis

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Includes questions, answers, a practical opportunity, diagrams and explanations. This is made for a GCSE biology class.

#### Chemistry Calculating Percentage Mass of an Element in a Compound Worksheet

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Practice calculating the percentage by mass of an element in a compound with these tiered questions. Answers included. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

#### GCSE Reaction Profiles Exothermic and Endothermic Reactions

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PowerPoint that covers the following learning objectives: Draw a simple reaction profile diagram for exothermic and endothermic reactions. Define and label activation energy on a reaction profile diagram. Explain that the activation energy is the energy needed for a reaction to occur. Includes diagrams, explanations, questions and answers. This is made for a GCSE chemistry class. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

#### Exothermic and Endothermic Reactions GCSE

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PowerPoint that covers the following learning objectives: Define exothermic and endothermic reaction and distinguish between exothermic and endothermic reactions on the basis of the temperature changes of the surroundings. Describe examples of exothermic and endothermic reactions. Includes questions, activities and answers. For a KS4 GCSE Science class.

#### GCSE Introduction to Electrolysis

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PowerPoint that covers the following learning objectives: Define electrolysis. Describe electrolysis in terms of the movement of ions. Explain why electrolysis can only occur when an ionic compound is molten or in aqueous solution. This is made for a KS4 GCSE Chemistry class. Includes diagrams, a demonstration activity, questions and answers.

#### GCSE Chemistry Revision Videos

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Links to videos for GCSE Chemistry revision.

#### Relative Atomic Mass (Ar) and Relative Molecular/Formula Mass (Mr) Worksheet

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Practice finding the Ar of an element and calculating the Mr of a molecule or chemical formula with these tiered questions. Answers included

#### Chemical Tests Flashcards

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Includes testing for: Cations Anions Gas tests Test for Water Testing for Purity of Water Flame Tests Question on one side, answer on the other. Print double sided (flip along long side of paper).