Grade 8 : 3rd Quarter Summative Test

Which state of matter have tightly packed molecules?

• Solid

• Liquid

• Gas

Define a liquid.

• Indefinite shape, indefinite volume

• Definite shape, definite volume

• Definite volume, indefinite shape

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• Solid

• Liquid

• Gas

At higher temperatures

• particles in an object have less energy

• particles in an object move faster

• a gas contracts

In which state of matter will there be the LARGEST space between molecules?

• Solid

• Liquid

• Gas

As particles are exposed to warmer temperatures they __________

• speed up

• slow down

• stay the same

• vibrate

As particles are exposed to colder temperatures they _____

• speed up

• slow down

• stay the same

• become ions

All matter is made up of tiny ______________

• energy

• bits

• particles ( atom & molecules )

• antimatter

Which has stronger Intermolecular Forces?

• Gas

• Liquid

What is happening when my water bottle in the freezer goes from a liquid state to a solid-state?

• Melting

• Evaporation

• Condensation

• Freezing