Remote lessons for key stage 3
Explore a range of free remotely-delivered lessons for students aged 11-14.
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Acids and alkalis
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Explore acids and alkalis, looking at the pH scale, indicators, reactions of acids and naming salts.
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Anaerobic respiration
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Includes equations for aerobic and anaerobic respiration, and a task to compare the two.
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Balanced and unbalanced forces
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An overview of balanced and unbalanced forces, including a walkthrough of forces in a space launch and landing.
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Biology from home: animal classification and life cycles
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An overview of the main aspects of classification and identification including methods to safely capture animals.
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Biology from home: behaviour and adaptation
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An introduction to adaptation and behaviour in plants and animals, with a range of experiments to try at home.
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Biology from home: circle of life
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Introduction to food webs, trophic levels, energy flow and the carbon and nitrogen cycles.
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Biology from home: communication and control
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Introduction to the hormone and nervous systems
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Biology from home: digestion
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Explore the process of digestion and how food travels through the body.
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Biology from home: plant biology
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An overview of germination, leaf structure, xylem and phloem, sexual reproduction and seed dispersal.
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Biology from home: photosynthesis
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An introduction to a sequence of 8 home biology lessons. Contains an introduction to photosynthesis with activities to try.
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Biology from home: your heart, lungs and blood
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An introduction to the heart, lungs, the circulatory and breathing systems.
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Chemical reactions
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Explore the different types of chemical reactions, their similarities and differences.
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Earth and atmosphere
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Find out about the Earth, atmosphere and rocks.
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Elements, compounds and mixtures
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An overview of atoms, elements, compounds and mixtures and how they are made up.
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Energy changes in chemical reactions
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Explore the different kinds of energy changes that take place during chemical reactions.
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Extinction
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An overview of extinction, including fossils and extinction events.
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How sound is made
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Explore how sound is made, including vibrations in the air.
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Human body systems: digestion
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An overview of digestion, covering excretion and the digestive system and explanations of enzymes gut bacteria, cells, tissue and organs.
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Light
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Explore some of the properties of light. Refraction is used to explain the ability of a lens to focus light.
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Magnetism
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Explore magnetic fields, repulsion and attraction. as well as which metals are attracted to magnets.
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Particle model
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Explore how the particle model can explain the properties and behaviour of solids, liquids and gases.
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Periodic table
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Explore the history of the Periodic Table and the information it contains.
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Reactivity series
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Introduction to the reactivity series and displacement reactions.
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Renewable and non-renewable energy
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Explore how electricity can be generated using different energy resources and the advantages and disadvantages.
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Solar System
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Explore the structure of the Solar System with some activities.
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States of matter
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Introduction to different states of matter and the processes of changing state.
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Static electricity
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A visual and practical demonstration of the causes and effects of static electricity.
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Variation, natural selection and evolution
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Discover species and mutation, compare selective and natural selection, and explore evolution.
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