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.

PowerPoint that covers the following learning objective: Investigate how refraction happens using a glass block. This is made for a KS3 level science class. Includes questions, answers, diagrams, a practical opportunity and videos/simulations if you don’t have the practical equipment.

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.

Full lesson PowerPoint that covers how to deduce the chemical formulae of ionic compounds and compares the models used to represent ionic compounds. This is made for a GCSE KS3 chemistry class. The following learning objectives are covered: Deduce the formula of common ionic compounds. Recognise the structure of the sodium chloride lattice and represent it as a 3D model. Describe the limitations of using dot and cross, ball and stick, two and three dimensional diagrams to represent a giant ionic lattice. Includes examples, questions, diagrams and answers.

Full lesson PowerPoint for ionic bonding. This is made for a KS4 level chemistry class. The following learning objectives are covered: Define ionic bonding. Work out the charge on the ions of metals and non-metals from the group number of the element limited to Group 1,2, 6 and 7. Draw dot and cross diagrams for ionic compounds formed by metals in Groups 1 and 2 with non-metals in Groups 6 and 7. Includes examples, diagrams, questions and answers.

PowerPoint that covers law of reflection, virtual images, specular reflection and diffuse reflection. This is made for a KS3 level class. Includes diagrams, class practical (or demonstration/video), questions, answers and assessment for learning opportunities.

PowerPoint that covers the key words: transparent, translucent, opaque, absorbed, transmitted, luminous, non-luminous, light meter and reflected. This is made for a KS3 level class. The PowerPoint includes the answers to the activities.

PowerPoint that covers generating electricity by combusting fossil fuels. Includes how fossil fuels are formed, what we use them for, how electricity is generated and the advantages and disadvantages. This is made for a KS3 level class. The starter activity revisits efficiency and power from previous lessons to enhance memory recall.

PowerPoint that covers power and the cost of electricity for a KS3 level class. The starter revisits efficiency and energy stores from previous lessons to enhance memory recall. The power equation (power = energy transferred / time) is covered with an example of how to show working out. Slides include rearranging the equation and unit conversions. The cost equation (cost = power x time x cost per kWh) is also covered. Answers are included.

PowerPoint that covers the 5 energy stores, 4 energy transfers and the principle of conservation of energy. This is made for a KS3 level class. Includes diagrams, questions, answers and a practical activity that can be done as a class or demonstration by the teacher.

PowerPoint that covers states of matter (solids, liquids and gases) for a KS3 level class. Includes questions, answers and assessment for learning opportunities.

PowerPoint that covers the changes of state between solids, liquids and gases for a KS3 level class. Includes diagrams, questions and answers.

PowerPoint that covers gravity, mass and weight at a KS3 level. Includes the equation weight = mass x gravitational field strength.