States of Matter Answers

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Density describes how much mass is contained in a certain volume. Knowing how far apart molecules are in each state, which best ranks solids, liquids, and gasses from least dense to most dense?

A
Gasses are denser than liquids.
B
Liquids are denser than solids.
C
Gasses are less dense than solids.
D
Solids are less dense than liquids.
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Which statement describes all solids?

A
They contain loosely packed atoms.
B
They have a definite shape and volume.
C
They have a smooth, rigid surface.
D
They flow with resistance.
3

Which statement best describes the atoms of the gas neon?

A
They slide past each other.
B
They move freely in all directions.
C
They vibrate in place.
D
They are packed closely together.
4

Gold’s natural state has a definite shape and a definite volume. What is gold’s natural state(s)?

A
solid
B
liquid
C
solid or gas
D
liquid or gas
5

An analogy makes a comparison between objects based on their similar qualities. Cassidy wanted to create an analogy for the motion of atoms in solids, liquids, and gases, so she compared them to marbles in a tray.

A
A solid is like the tray being shaken and the marbles moving around it, and a liquid is like the tray being shaken slowly and all the marbles moving in their positions.
B
A solid is like the tray being shaken slowly and all the marbles moving in their positions, a liquid is like the tray being shaken and the marbles moving around it, and a gas is like the tray being shaken hard and the marbles moving vigorously around it.
C
A gas is like the tray being shaken slowly and all the marbles moving in their positions, and a solid is like the tray being shaken hard and the marbles moving vigorously around it.
D
A liquid is like the tray being shaken hard and the marbles moving vigorously around it, and a gas is like the tray being shaken slowly and all the marbles moving in their positions.
6

Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about the salt sample that Gerry is looking at?

A
The atoms have spread out from each other.
B
The atoms are sliding past each other.
C
The atoms have no particular pattern.
D
The atoms are vibrating in place.
7

Michael has a substance that he puts in Container 1. The substance has a volume of 5 cubic meters. He then puts the substance in Container 2, and it now has a volume of 10 cubic meters. In which phase(s) is the substance?

A
solid or liquid
B
liquid or gas
C
liquid
D
gas
8

Which liquid is the most viscous?

A
syrup
B
water
C
milk
D
apple juice
9

Julianna blows air into a balloon to inflate it. What can be known about the atoms of the air?

A
They are close together.
B
They are moving constantly at high speeds.
C
They vibrate in place.
D
They are held together by strong attractions.
10

Which correctly lists the types of matter, in terms of their atoms, in order from least tightly packed to most tightly packed?

A
solid, gas, liquid
B
solid, liquid, gas
C
gas, solid, liquid
D
gas, liquid, solid
11

Which best describes why a liquid needs a container when a solid does not?

A
Solids fill their containers, and liquids have definite shapes.
B
Solids have definite shapes, and liquids fill their containers.
C
Solids particles will expand to fill their containers, and liquid particles will expand as well.
D
Solids particles expand to fill their containers, and liquid particles do not.
12

Which statement best describes the atoms in a gas?

A
They vibrate in place.
B
They stay in a fixed position.
C
They are closely packed.
D
They move freely in all directions.

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