Materials
How to identify materials
Find out why we don't have chocolate mugs and woollen umbrellas by learning about the uses of different materials.
What is dissolving?
Find out how dissolving works and why some substances appear to disappear when you mix them with water.
What is separation?
Find out about the different methods of separation and how to use them to reverse a mixture.
What are irreversible changes?
Find out how to tell the difference between reversible and irreversible reactions.
What are the states of matter?
Find out about the difference between solids, liquids and gases.
What are freezing and melting?
Discover how water turns into ice and back again to water, through the processes of freezing and melting.
What is soil made from?
Find out about the main components of soil and how these affect its properties.
What is a rock?
Find out how igneous, metamorphic and sedimentary rocks are formed.
Game - Junkateers
Join the Junkateers on their mission to tidy up the planet. Work scientifically by sorting through scrap and running experiments to identify materials for recycling.
Video playlist
What are bridges made from? Video
The different types of materials used to make bridges.
The effect of weather on rocks. Video
How rocks on the Earth's surface can be worn away by the weather into interesting shapes.
Separating solids and liquids. Video
A look at a range of day-to-day examples of separating liquids and solids.
Molten rock. Video
Molten rock from a volcano is seen solidifying as it cools.
Changes in the state of materials (clip compilation) Video
A range of materials which have been mixed, burnt, melted and cooled.
Snow, ice and water. Video
An introduction to the freezing and melting of water.
Solids, liquids and gases (clip compilation) Video
A compilation of clips based on the theme of solids, liquids and gases.
