States of Matter Exploration

What is the process called when a solid turns into a liquid?

• Melting

• Condensation

• Freezing

• Sublimation

Give an example of a solid that can change into a liquid.

• Steam

• Sand

• Rock

• Ice

What happens to water when it freezes?

• Water contracts and becomes denser when it freezes.

• Water expands and forms ice when it freezes.

• Water turns into steam when it freezes.

• Water evaporates completely when it freezes.

What is the term for the change from liquid to gas?

• Condensation

• Sublimation

• Freezing

• Vaporization

Name a common gas that we breathe in.

• Nitrogen

• Oxygen

• Carbon Dioxide

• Helium

What causes ice to melt into water?

• Heat energy causes ice to melt into water.

• Cold air causes ice to melt into water.

• Pressure increases the melting point of ice.

• Ice melts due to chemical reactions.

What is an example of a gas that can become a liquid?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon dioxide

Describe what happens to a liquid when it is heated.

• A liquid absorbs heat and becomes colder when heated.

• A liquid freezes and becomes solid when heated.

• A liquid remains the same and does not change when heated.

• A liquid expands and may turn into a gas when heated.

What is the process called when a gas turns into a liquid?

• Evaporation

• Condensation

• Precipitation

• Sublimation

List one example of a change of state that occurs in nature.

• Freezing of water

• Evaporation of water

• Condensation of steam

• Melting of ice