Changes to matter

What is melting?

• when something changes from a liquid to a gas
• when something changes from a solid to a liquid
• when something changes from a liquid to a solid

Which is a gas?

• milk
• rock
• steam

What is freezing?

• when something changes from solid to liquid
• when something changes from liquid to solid
• when something changes from gas to liquid

How are melting and evaporation alike?

• both must start with a solid
• both happen when heat is added
• both happen when heat is taken away

Matter that has its own shape is what?

• gas
• liquid
• solid

_______ takes up space and has mass.

• matter
• mass
• state

To change fruit juice into an ice pop you would...

• sand
• cut
• freeze

Which thermometer show the hottest day?

• Blue
• Green
• Red
• Red and Green

Which is a change of water from liquid to gas?

• evaporation
• freezing
• melting

What are the three states of matter?

• texture, volume, mass
• density, volume, mass
• solid, liquid, gas
• density, color, volume