Changes between solids and liquids, and between gases and liquid

Why does gallium change from solid to liquid?

• Because the material is ice with silver color.

• Because the thermal energy from the person's hand made the substance change.

• Because the material becomes when it's touched.

What is it called when a substance changes between a solid and a liquid?

• The melting point.

• The freezing point.

• Condensation.

• Vaporization.

What is it called when a substance changes between a liquid to a solid?

• The melting point.

• Condensation.

• Vaporization.

• The freezing point.

What do melting and freezing point of water have in common?

• They both start at -32°C

• They both start at 32°C

• They both start at 0°C.

What happens when the temperature of a gas becomes too low?

• Ice changes to a liquid.

• Gas changes to a liquid.

• Liquid changes to a solid.

The change of state from a gas to a liquid is called...

• A moon.

• Condensation.

• Freezing point.

• Melting point.

Clouds are formed when…

• The water changes from a liquid into a gas on the ground it enters the atmosphere, and it goes through condensation.

• The water changes from a solid into a liquid and it enters the atmosphere, and it goes through evaporation.

• The water changes from a liquid into a gas on the ground it enters the atmosphere, and it goes through boiling.

What does the overnight condensation of water vapor cause?

• It causes solid to become liquid.

• It causes fruits to grow.

• It causes dew to form on the blades of grass.

What's the opposite of condensation?

• Vaporization.

• Gas.

• The meeting point.

What's vaporization?

• The change from a solid to a gas.

• The change from liquid to a solid.

• The change from liquid to a gas.