Changes in Matter

What is the process called when a solid changes into a liquid?

• Freezing

• Melting

• Boiling

• Evaporation

Which of the following will melt when heat is applied?

• water

• juice

• ice

• steam

Where will an ice cube melt the fastest?

• Inside the refrigerator

• Under the sun

• In a bowl of cold water

• Inside the freezer

What is the process of a liquid changing into gas at the surface called?

• melting

• freezing

• evaporation

• condensation

At what temperature does water boil?

• 0°C

• 50°C

• 80°C

• 100°C

Which of the following is an example of boiling?

• Clothes drying

• Water disappearing from a puddle

• Steam from a kettle

• Ice melting

What is condensation?

   

• Solid turning into gas

• Gas turning into liquid

• Liquid turning into gas

• Liquid turning into solid 

Which of the following is an example of condensation?

    

• Ice melting in the sun

• Water boiling on the stove

• Water droplets forming on a cold glass

• Clothes drying on a line

Which of the following best describes what happens when you see dew on grass in the morning?

    

• The grass is sweating

• Rain fell during the night

• Water vapor in the air condensed due to cool temperature

• The soil is pushing water upward

What state of matter does water vapor represent?

   

• soild

• gas

• liquid

• plasma