How can materials be changed? UKS2 Science

Which materials would you say are a good choice for a window?

• Glass or clear plastic

• Paper

• Wood

• Metal

Materials that dissolve in water are called

What do reversible changes allow you to do?

• Go back to how things were before the change occurred

• Permanently alter the state of matter

• Create irreversible changes

• Have no effect on the original state

Which of the following is an example of a reversible change?

• Melting ice back into water

• Burning wood

• Rusting of iron

• Cooking an egg

Which of the following is an example of an irreversible change?

• Baking a cake

• Melting ice

• Boiling water

• Cutting paper

What type of enquiry is this investigation: 'How does temperature affect how quickly a snowman melts?'

• Pattern Seeking

• Research

• Comparative or Fair Test

• Grouping or Classifying

Burning can also be called...

In order to burn, fire needs...

• Heat, water and carbon dioxide

• Oxygen, heat and fuel

• Heat, air and water

• Fuel and fire