Mixing and Separating by 
Matter and How It Changes by 
Make it Change by 
Materials by 
From Cocoa Bean to Chocolate by 
How is Chocolate Made? by 
Many Kinds of Matter by 
Materials and Properties by 
A World Full of Materials by
Find out why choosing the right material for a structure is an important job for engineers. Even in the kitchen at home, we need to choose a utensil made of the correct material for its purpose. We cannot store water in a paper bag, so we need to choose a waterproof container instead. When we make this choice, we are considering the different properties of materials, just as scientists do when they perform an experiment in their laboratory.
Bend it! Stretch it! by 
Spot the Difference by 
Primary Science C by 
Find out about freezing and melting and how matter changes.
Short videos and activities from the BBC to explain how materials can be changed.
TigTag is a collection of Science video clips and associated activities on a range of topics for the primary school.
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