PowerPoint that covers the following learning objectives: Describe the limitations of using dot and cross, ball and stick (2D and 3D) and displayed formula diagrams to represent simple covalent molecules. Define intermolecular forces. Explain why simple molecules have low melting and boiling points. Explain why simple molecules do not conduct electricity. This is made for a KS4 chemistry class. Includes questions, answers and explanations.

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.

PowerPoint that covers the following learning objectives: Write a method for making a soluble salt from a neutralisation reaction involving an insoluble base. Describe why steps in the method are necessary to get pure crystals. Includes questions, answers, a video, method to follow, safety guidance and application questions with 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: 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: 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 the reaction between metal and acid using an ionic equation. Determine and explain which species is oxidised and which species (metal atom or ion) is reduced in a reaction in terms of electron transfer. Includes questions, answers, examples 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! :)

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.

PowerPoint that covers the effects of alcohol on the body and the long-term effects of drinking alcohol. This is made for a GCSE KS4 science class. The following learning objectives are covered: Describe the short term and long term effects of drinking alcohol. Describe the effects of alcohol on unborn babies. Includes questions, answers, a mind-map to fill in, a short comprehension and a poster opportunity.

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: Explain why bond breaking is endothermic and bond making is exothermic. Explain why a reaction is exothermic or endothermic in terms of the amount of energy needed to break bonds and being released when bonds are formed. Calculate the energy change for a reaction, including the correct unit. Includes diagrams, 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! :)

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! :)

PowerPoint that covers group 0, the noble gases. Suitable for GCSE. Covering what they are, their uses, why they are so unreactive and trends in the group. Includes practice questions and answers.

Learning objective: Describe the magnetic field produced by a current-carrying wire and use the corkscrew rule to determine the direction of the field around it.

Learning objectives: Describe the process involved in genetic engineering. Apply knowledge of the process of genetic engineering to explain how certain crops have been genetically modified. Evaluate the potential benefits and risks of GM crops.

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.

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.

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.

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

Students will research and fill in 2 worksheets on organisms that went extinct in Qatar.

Appropriate for AS level physics. Print double sided (flip along long side).