Quiz on Phases of Matter

What are the three phases (states) of matter?

• Solid, Liquid, Gas

• Solid, Vapor, Plasma

• Ice, Water, Steam

• Solid, Air, Water

The only difference between molten (liquid) steel and solid steel is __________.

• Temperature

• Color

• Weight

• Shape

What is needed to change a phase of matter?

• Chemical reaction

• Electricity

• Energy

• Light

How does a refrigerator cool food and drinks?

• By adding heat

• By removing heat

• By circulating air

• By freezing

Changing a SOLID to a LIQUID to a GAS requires __________.

• Freezing

• Melting

• Energy

• Pressure

Nitrogen is a liquid at __________ °C. Nitrogen makes up __________ % of the air that we breathe.

• -196, 78

• 0, 21

• -273, 78

• -196, 21

What happened to the onion after soaking in the liquid nitrogen?

• It became softer

• It disintegrated

• It became brittle

• It changed color

Dry ice is solid __________.

• Nitrogen

• Oxygen

• Carbon dioxide

• Hydrogen

The slower molecules move, the __________ the temperature.

• Higher

• Lower

• Same

• More variable

Absolute zero is when molecules come to a complete __________.

• Freeze

• Stop

• Expansion

• Evaporation