Question 1

What state of matter is made particles that never stop moving?

Accepted Answer

all of these

Answer

gas

Answer

solid

Answer

liquid

Question 2

A liquid can be described as a form of matter that has

Accepted Answer

an indefinite shape, but a definite volume.

Answer

a definite shape, but an indefinite volume.

Answer

a definite shape and a definite volume.

Answer

an indefinite shape and an indefinite volume.

Question 3

Diffusion is much slower in liquids than in gases because

Accepted Answer

the particles in a liquid are closer together.

Answer

liquids are at much colder temperatures.

Answer

liquids have surface tension.

Answer

liquid particles weigh more.

Question 4

Water striders (bugs) can walk across the surface of a pond because of water's

Accepted Answer

surface tension

Answer

incompressibility

Answer

capillary action

Answer

density

Question 5

What effect does soap have on the surface tension of water?

Accepted Answer

It decreases the surface tension of water.

Answer

Surface tension cannot be altered.

Answer

It has no effect on the surface tension of water.

Answer

It increases the surface tension of water.

Question 6

Why do hot liquids diffuse faster than cold liquids?

Accepted Answer

The particles in a hot liquid move faster.

Answer

The particles in a hot liquid experience greater intermolecular forces.

Answer

The particles in a hot liquid have a greater surface tension.

Answer

The particles in a hot liquid are relatively incompressible.

Question 7

As a liquid is vaporizing, the particles

Accepted Answer

spread out

Answer

cluster together

Answer

decompose

Answer

slow down

Question 8

As a liquid is freezing, the particles

Accepted Answer

cluster together

Answer

decompose

Answer

speed up

Answer

spread out

Question 9

Evaporation is said to be a cooling process because

Accepted Answer

evaporating molecules absorb heat when they evaporate.

Answer

evaporating molecules give off heat when they evaporate.

Answer

evaporating molecules are more attracted to on another.

Answer

evaporating molecules escape from the surface of a nonboiling liquid.

Question 10

Which of the following best accounts for water's ability to climb up a piece of paper?

Accepted Answer

The attraction of the water molecules for the paper allows it to climb the paper.

Answer

The water diffuses through the solid paper, allowing water to climb the paper.

Answer

The density of the water allows it to climb the paper.

Answer

The rate at which water evaporates allows it to climb the paper.

Question 11

A solid can be described as a form of matter that has

Accepted Answer

a definite shape and a definite volume.

Answer

an indefinite shape, but a definite volume.

Answer

a definite shape, but an indefinite volume.

Answer

and indefinite shape and an indefinite volume.

Question 12

According to the Kinetic-Molecular Theory, particles in a solid

Accepted Answer

are packed together in an orderly arrangement.

Answer

move around freely and randomly.

Answer

do not move.

Answer

are not bound in fixed positions but move constantly.

Question 13

Which term refers to a noncrystalline solid?

Accepted Answer

amorphous

Answer

deposition

Answer

sublimation

Answer

adhesion

Question 14

Which of the following changes of state are endothermic (absorb energy)?

Accepted Answer

melting and boiling

Answer

freezing and boiling

Answer

freezing and condensing

Answer

melting and condensing

Question 15

For a solid sample of matter, if the shape of the solid is changed, how does the volume change?

Accepted Answer

It does not change.

Answer

It decreases,

Answer

It increases.

Answer

It depends on how the shape is changed (could increase or decrease).

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