Unit 11- The Changing Forms of Water

What do we call it when lots of bubbles come out of heated water?

• Freezing

• Condensing

• Boiling

• Melting

What happens to the appearance of water when it is cooled?

• It boils

• It turns into ice

• It evaporates

• It remains the same

At what temperature does water boil?

• 0°C

• 50°C

• 100°C

• 150°C

What is the form of water when it changes into a gas?

• Liquid

• Solid

• Ice

• Water vapor

What happens to the temperature of water when it is cooled?

• It increases

• It boils

• It decreases

• It remains the same

What is the form of water when it changes into ice?

• Solid

• Gas

• Water vapor

• Liquid

What is the temperature at which water turns into ice?

• 50°C

• 0°C

• -115°C

• 100°C

What happens to the volume of water when it turns into ice?

• It decreases

• It remains the same

• It increases

• It evaporates

What form is steam?

• Ice

• Solid

• Liquid

• Gas

What can you add to water to help it freeze easier?

• air

• sugar

• salt

• boiling stones