Science 9 Chp. 3 Practice Test

A gas has

• a definite volume but no definite shape.

• a definite shape but no definite volume.

• no definite shape or definite volume.

• a definite volume and a definite shape.

Tags

NGSS.MS-PS1-4

Matter that has a definite volume but no definite shape is a

• liquid.

• solid.

• gas.

• plasma.

Tags

NGSS.MS-PS1-4

In which of the substances in the picture are the forces of attraction among the particles so weak that they can be ignored under ordinary conditions?

• substance A
• substance B
• substance C
• all of the above

Tags

NGSS.MS-PS3-2

What is the result of a force distributed over an area?

• temperature
• volume
• pressure
• mass

Collisions of helium atoms with the walls of a closed container cause

• condensation.

• gas pressure.

• a decrease in volume.

• an overall loss of energy.

Tags

NGSS.MS-PS1-4

The phase change that is the reverse of condensation is

• freezing
• melting
• vaporization
• sublimation

Tags

NGSS.MS-PS1-4

The phase change in which a substance changes from a liquid to a gas is

• deposition.

• sublimation.

• condensation.

• vaporization.

Tags

NGSS.MS-PS1-4

The phase change in which a substance changes from a solid to a liquid is

• deposition.

• melting.

• condensation.

• vaporization.

Tags

NGSS.MS-PS1-4

The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is

• deposition.

• sublimation.

• condensation.

• vaporization.

Tags

NGSS.MS-PS1-4

The phase change in which a substance changes from a gas directly to a solid is

• deposition.

• sublimation.

• condensation.

• vaporization.

Tags

NGSS.MS-PS1-4