The candle is made of wax. The candle is:

Joe is blowing up a red balloon. The balloon is getting very big. Joe does not tie the balloon. He lets go of the balloon. It shoots off and all the air comes out. What happens to the size of the balloon?

This candle has been burning for a long time. Some of the wax has melted and run down the sides of the candle. Then the wax has cooled and turned back into a _____.

Carla is making ice cubes in the freezer. She pours water into the trays. She puts the trays into the freezer. The water freezes into ice. Later, Carla takes the ice cubes out of the freezer. She leaves them in a warm room. What happens to the ice cubes?

Which one of these will go back to how it was?

Li cuts a piece of card in two. When she lets go of the two pieces of card, what happens?

If you stretch a spring - not too much - the spring gets longer. If you then let go of the spring, what happens?

Karen is making a cup of tea. She pours milk into the tea and stirs it. The milky tea is a mixture. What is mixed together?

Danny and Alex are making a cake. The ingredients are flour, butter and eggs. What must they do with the ingredients?

Lucy and her dad are making a pizza. What must they do before the pizza is ready to eat?