Sci7 Eou2 Test

1. When ice melts. Its particles

• gain energy and begin to move

• lose energy and begin to move

• move far apart and gain energy

• close together and lose energy

Particles of a liquid

• are tightly packed together and stay in a fixed position
• have no viscosity
• decrease in volume with increasing temperature
• are free to move in a container but are in close contact with one another

Which state of matter is described below?

1. Particles are packed closely together

2. Particles vibrate

3. Strong molecular attraction between particles

• solid

• liquid

• gas

• plasma

Which state of matter is described below?

1. Particles are less densely packed

2. Particles slide around past each other

3. Not a strong molecular attraction between particles

• solid

• liquid

• gas

• plasma

Which state of matter is described below?

1. Particles move freely

2. High energy

3. Very weak molecular attraction between particles

• solid

• liquid

• gas

• plasma

The three states of matter are different. However, liquids and gases do have some things in common. One of these is ____.

• the liquids and gases are both more dense than solids

• the liquids and gases both take the shape of their container

• that liquids and gases have the same densities as solids

• that liquids and gases do not take the shape of their container

Match the following Phase Changes

• Liquid to Solid

• Condensation

• Gas to Solid

• Sublimation

• Solid to Liquid

• Freezing

• Gas to Liquid

• Deposition

• Solid to Gas

• Melting

What is the process during which water changes from a liquid to a gas as it heats up?

• Condensation
• Runoff
• Precipitation
• Evaporation

What step of the water cycle occurs when clouds become too heavy? 

• Condensation
• Runoff
• Precipitation
• Evaporation

What is NOT an example or precipitation?

• Rain
• Snow
• Sleet
• Wind