Quiz on Boiling Water and Steam

What happens to water when it is heated?

• It evaporates into air

• It becomes ice

• It turns into steam

• It freezes

What do atoms and molecules do when heat is added?

• They stop moving

• They become less active

• They turn into solid

• They move faster

What is steam made of?

• Air particles

• Dust particles

• Water molecules

• Ice crystals

What happens to molecules in boiling water?

• They turn into ice

• They need more space

• They break apart completely

• They move slowly

What occurs when you put a lid on a pot of boiling water?

• The lid bounces and jiggles

• The lid stays still

• The steam escapes

• The water cools down

How did humans use trapped steam in the past?

• To cook rice

• To freeze food

• As a power source

• To make ice cream

What did steam power move before oil became popular?

• Bicycles

• Ships and trains

• Airplanes

• Buses

What is used to create electricity in nuclear power plants?

• Wind energy

• Cold water

• Heat from radiation

• Solar panels

What happens to water molecules in a block of ice?

• They stop moving completely

• They drift around slowly

• They turn into steam

• They move quickly

What do you see when water boils?

• The water turns into ice

• The pot turns cold

• Molecules on the move

• Nothing happens