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Flashcards in Properties Test Deck (30):
1

Qualities that describe objects or materials.

Properties

2

Physical properties are properties that we can easily ________ with our ________ -by seeing, hearing, touching, or smelling.

Observe
Senses

3

Color, hardness, texture, size, shape,and smell are __________ properties.

Physical

4

The temperature at which a substance starts changing from solid to liquid is its ___________ _________.

Melting point

5

When a substance boils, it is at it's ________ ________.

Boiling point

6

Type of diagram often used by scientists to compare information.

Bar graph

7

_________ - making careful measurements that are exactly correct.

Accuracy

8

_________ - measure of how hot or cold an object is.

Temperature

9

_________- using a tool to accurately describe a physical property.

Measuring

10

Measurement used to measure the amount of space an object takes up.

Volume

11

_________ - tool that accurately measures temperature.

Thermometer

12

When a liquid gets warmer, it takes up (more or less space)?

More

13

The unit use to measure temperature is

Degree

14

What are the two different temperature scales?

Fahrenheit (F) and Celsius (C)

15

A _________ _________ is used to organize things or ideas so that they are easy to find or use.

Classification system

16

_______ - a group of things that have a lot in common.

Category

17

Anything that takes up space and has mass.

Matter

18

How much stuff an object is made of

Mass

19

Scientists classify matter into three categories:

Solid, liquid, and gas

20

The building block of all matter.

Atom

21

In the ______ _______, atoms are tightly packed and move very little

Solid state

22

In the ________ ________, atoms can move enough to slide past each other.

Liquid state

23

In the ______ _______, atoms are free from one another and move quickly.

Gas state

24

Friction produces ______, a form of energy.

Heat

25

When heat from any source is applied to a substance, the atoms in that substance _________ ___ and the substance gets ______.

Speed up
Warmer

26

When enough heat is applied (added) to a solid it _______ or changes state from a solid to a liquid.

Melts

27

If enough heat energy is applied to a liquid it will become a _____.

Gas

28

As water is heated, it gets hotter and hotter until it boils. A gas called ____ _____ is produced

Water vapor

29

________ - the change in phase from a liquid to a gas.

Vaporization

30

The change in phase from a gas to a liquid is called

Condensation