Matter Study Guide

Question 1

Define, Matter

Answer 1

Matter is anything that takes up space (volume) and has mass (weight).

Question 2

What are the 3 states of matter?

Answer 2

Solid
Liquid
Gas

Question 3

All matter is made up of 2 things…

Answer 3

Atoms and molecules

Question 4

What is sublimation?

Answer 4

When a solid turns into a gas.

Like dry ice in our sink

Question 5

What is melting?

Answer 5

When a solid turns into a liquid.

Question 6

Melting Point

Answer 6

The temperature where a material changes from a solid to a liquid.

Question 7

Which state of matter is a powder?

Answer 7

Solid
Powders are collections of tiny pieces of solids.
Each tiny piece keeps its own shape, even though the collection may take the shape of a container.

Question 8

Which 3 characteristics define Solids?

Answer 8

Solids are a state of matter that:

1. Shape - Have a definite shape
2. Space - Takes up a definite amount of space
3. Volume - The volume does not change

Question 9

True or False

Some solids are transparent.

Answer 9

True

Question 10

Which 3 characteristics define Liquids?

Answer 10

Liquids are a state of matter that:

1. Shape - Do not have a definite shape
2. Space - Takes up a definite amount of space
3. Volume - The volume does not change

Question 11

When a solid is at rest it _________________

whether or not it is in a container

Answer 11

Keeps its shape

Question 12

When a liquid is at rest it ____________________

and ______________________.

Answer 12

Fills the bottom of its container (at rest)

and Flows freely when poured.

Question 13

What happens to the shape of a liquid in a container?

Answer 13

It takes the shape of the container.

Question 14

What happens when we move liquids?

Answer 14

They can be poured, scooped and can make waves.

Question 15

True or False, Liquids can be compacted into a smaller amount?

Answer 15

False

Liquids cannot be compacted into a smaller amount.

Question 16

True or False, liquids can be transparent or opaque?

Answer 16

True

Liquids can be transparent like water or opaque like melted ice cream.

Question 17

If a liquid in a container is not being moved, it’s surface seems ____________________ and ___________________.

Answer 17

level and flat

Think about water in a glass.
The surface looks level and flat.

Question 18

Which 3 characteristics define Gases?

Answer 18

Gases are a state of matter that:

1. Shape - Do not have a definite shape
2. Space - Do not take up a definite amount of space
3. Volume - Changes, can be compressed

Question 19

In a container gases will…

Answer 19

Expand to fill any available space.

Question 20

True or False, many gases are invisible?

Answer 20

True

Air is an example of an invisible gas.

Question 21

True or False, Gases can be compressed?

Answer 21

True

Gasses can be squeezed into a smaller container.
Like air in a balloon.

Question 22

What is Condensation?

Answer 22

When a gas changes to a liquid.

Like water vapor condensing into water droplets on the bathroom mirror.

Question 23

When gases are in liquids they…

Answer 23

Form bubbles.

Question 24

A bubble of gas under water has _______________ and _________________ water out of its way.

Answer 24

Volume, Pushes

The bubble has Volume and Pushes water out of its way.

Question 25

What is Dew?

Answer 25

Water vapor from the air that has condensed on surfaces that are colder than air.

Like drops of dew (water) on the grass outside that get our shoes wet on the way to the bus stop.

Question 26

Evaporation

Answer 26

When a liquid changes to a gas.

Like boiling water becoming water vapor or a puddle evaporating on the sidewalk.