Changes of State

The effect of one factor (such as the environment) depends on another factor.

• Energy

• Interaction

• Biosphere

• Cryosphere

A solid shape that is perfectly round like a ball. No faces, edges, or vertices.

• Sphere

• Biosphere

• System

• Cryosphere

What is going on in this image?

• freezing

• melting

• condensation

• sublimation

When a liquid freezes into a solid, the particles of the substance

• disappear

• gain energy

• lose energy

• move faster

Jose placed a pot of water on a stove. As the water boils, how does the state of the water change?

• from gas to liquid

• from a solid to a liquid

• from liquid to a gas

• from a liquid to a solid

How can you make liquid water become a solid?

• Add a lot of salt to the water

• shake the water container very fast

• heat the water on the stove

• put the water in a cold place

Jed filled a beaker with water and left it in a room at 27^oC. After a few minutes, Jed observed water droplets on the outer surface of the beaker.

Which of the following is most likely the temperature of the water in the beaker?

• 10^oC

• 37^oC

• 50^oC

• 100^oC

What is the process called that changes the snow on the mountain directly to water vapor?

• condensation

• evaporation

• vaporization

• sublimation

Vaporization that takes place both above and below the surface is called

• evaporation

• boiling

• precipitation

• condensation

Which change can occur when you add thermal energy to water?

• the water can change from a liquid to a solid

• the water can change from a gas to a liquid

• the water can change from a liquid to a gas

• the water can change from a solid to a liquid