Keller - 3rd grade - Matter Test Flashcards Preview

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Flashcards in Keller - 3rd grade - Matter Test Deck (22):
1

What is matter?

Anything that takes up space.

2

What is a physical property?

Anything you can observe about an object using your senses.

3

What are examples of physical properties?

Size, color, shininess, texture, taste, smell, temperature, etc.

4

The three states of phases of matter are:

solid, liquid, gas

5

What is a solid?

Something that has a definite volume and shape.

6

What is an example of a solid?

Book

7

What is a liquid?

Something that has definite volume but the shape can change.

8

What is an example of a liquid?

Water

9

What is gas?

Something that has no definite shape or volume.

10

What is an example of gas?

Air

11

What are atoms?

The basic building blocks of matter.

12

Adding _________ changes a solid to a liquid.

heat

13

Adding _________ changes a liquid to a gas.

heat

14

Taking away heat from gas changes it to a __________.

liquid

15

Taking away heat from liquid changes it to a __________.

solid

16

What is volume?

Amount of space matter takes up.

17

What is mass?

Amount of matter in an object.

18

What is a physical change?

A change to matter in which no new forms of matter are formed (examples: shape, size, state)

19

What is a chemical change?

Change that form new kinds of matter (examples: burning, rust)

20

Molecules that are very closet together are a _______.

solid

21

Molecules that move more freely over and under each other are a __________.

liquid

22

Molecules that are very far apart are _______.

gas