Melting Freezing Boiling

Evaporation

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

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

• Physical change in matter from a liquid to a gas

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At what temperature in degrees Celsius does water freeze?

• 150

• 0

• 200

• 32

Physical change in matter from a gas to a liquid

• Condensation

• Freezing point

• Melting point

• Evaporation

Tags

NGSS.MS-PS1-4

A student observed a liquid that boiled at 100°C. What type of liquid was boiling?

• Salt water

• Sugar water

• Pure water

• Lemon water

Tags

NGSS.MS-PS1-4

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

• Freezing point

• Melting point

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

If water is left to boil, what statement is not true?

• All the water will eventually evaporate.

• The temperature of the water will eventually reach 200°C.

• The temperature of the water will remain at 100°C until it evaporates.

• The beaker with only 100 mL of water will boil away faster than the beaker with 200 mL of water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a solid reaches the temperatures of its ___, it can become a liquid.

• melting point
• freezing point
• boiling point
• density

Tags

NGSS.MS-PS1-4

When a liquid reaches the temperatures of its ___, it can become a gas.

• melting point
• freezing point
• boiling point
• density

Tags

NGSS.MS-PS1-4

The freezing and melting points of water are the same.

• True
• False

Tags

NGSS.MS-PS1-4

What is the boiling point of water

• 0 C
• 100 F
• 50 C
• 100 C