PowerPoint that covers the following learning objectives: Describe metallic bonding. Define an alloy. Explain in detail, including labelled diagrams, how alloying affects the structure and bonding in metals. Explain the properties of metals (malleability, melting point, thermal and electrical conductivity). This is made for a GCSE chemistry class. Includes diagrams, explanations, questions and answers.

PowerPoint that covers the following learning objectives: Describe and explain what happens to light when it passes through a prism. State how primary colours add to make secondary colours. State the effect of coloured filters on light and explain how filters and coloured materials subtract light. This is made for a KS3 science class. Includes questions, answers, diagrams, examples and a link to a virtual simulation of dispersion.

PowerPoint that covers the following learning objectives: Describe what forces do and how they are measured. Identify ‘contact forces’ and ‘non-contact forces’. Simply describe what ‘interaction pair’ means and identify interaction pairs in a simple situation. Use a newton meter to measure the size of a force. Includes diagrams, explanations, practical safety, practical method, practical results table, questions and answers. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

PowerPoint that covers the following learning objectives: Define what is meant by a mole and the units. Calculate the number of moles or mass of a substance from data supplied. Includes questions, answers, examples and a video. This is made for a GCSE chemistry class. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

PowerPoint that covers the following learning objectives: Describe how drag forces and friction arise and identify examples. Explain the effect of drag forces and friction in terms of forces. Explain why drag forces and friction slow things down in terms of forces. Includes questions, answers, examples, explanations and a practical opportunity including plasticine, cupcake cases and water. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

PowerPoint that covers the following learning objectives: Define conservation of mass. Safely complete an experiment on conservation of mass. Explain any observed changes in mass in non-enclosed systems during a chemical reaction given the equation for the reaction and explain these changes in terms of the particle model. Includes an experiment, examples, diagrams, 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! :)

PowerPoint that covers the following learning objectives: State that aluminium can be extracted from aluminium oxide using electrolysis and write the overall word equation. Describe the electrolysis of aluminium oxide. Explain the classification of the reactions at each electrode as oxidation or reduction by writing half equations. Explain why cryolite is added to aluminium oxide in the industrial extraction of aluminium. Includes questions, answers, diagrams, explanations and a quiz. This is made for a GCSE chemistry class. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

PowerPoint that covers the following learning objectives: Define relative atomic mass, Ar. Use the periodic table to find the relative atomic mass of all elements. Calculate the relative formula mass for familiar compounds when the formula is supplied and is with or without brackets. Calculate the percentage mass of an element in a compound. Includes explanations, examples, 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! :)

Questions and answers on bonding and structure in GCSE chemistry.

-Recognise hazard symbols and match the symbol to its meaning. -Describe safety precautions that should be taken when handling substances, based on their hazard symbols.

Learning objectives: Describe the difference between magnetic and non-magnetic materials. Describe the interaction of magnetic poles (attraction and repulsion).

Learning objectives: Describe the differences between permanent and induced magnets.

Learning objectives: To be able to describe what a physical property is. To be able to define common properties. To be able to describe the properties of metals and non-metals.

Learning objectives: Describe the stages involved in a reflex action. Identify stimuli, receptors, coordination centres, and effectors in examples of reflex actions.

Learning Objectives: • Describe the energy transfers in a roller coaster and a pendulum. • State that energy is conserved in any transfer. • State that energy is dissipated (is no longer useful) when it heats the environment.

Learning Objectives: • Define what work is in a scientific context. • Calculate the work done by a force. • Use the equation for work done to calculate distances or size of forces.

• Describe the model of the Solar System. • Describe how objects in the Solar System are arranged.

Explain simply why we have day and night. Explain why seasonal changes happen.

State what energy dissipation means. Identify and calculate useful energy and wasted energy from input and output energies. Explain what efficiency means in terms of wasted and useful energy. Calculate % efficiency using useful output and total input energies.

Calculate the stopping distance from the thinking distance and the braking distance • Categorise factors which affect thinking distance, braking distance, and both. • Calculate the braking distance of a car.