Changes in matter

Solid can change into a liquid when it's .......

• cooled

• burned

• heated

• freezed

The freezing point of water is...

• 100^oC

• 0^oC

• -10^oC

• 150^oC

Melting is.....

• A process where a gas changes into a solid.

• A process where a liquid changes into solid.

• A process where a solid changes into gas.

• A process where a solid changes into a liquid.

What scientific tool can be a student use to measure the freezing point of water?

• Stopwatch

• Celsius thermometer

• Pan balance

• Hot plate

Melting needs heat.

• TRUE

• FALSE

At what temperature in degrees Celsius does water freeze?

• 150

• 0

• 200

• 32

The temperature at which a substance changes states from a solid to a liquid

• Freezing point

• Melting point

• Evaporation

• Condensation

The freezing and melting points of water are the same.

• True
• False

Freezing point

• The classification of matter as a solid, a liquid, or a gas

• Physical change in matter from a gas to a liquid

• The temperature at which a substance changes states from a solid to a liquid

• The temperature at which a substance changes from a liquid to a solid

What is happening at the boiling point?

• liquid to gas

• solid to liquid

• gas to liquid

• liquid to solid