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Flashcards in physical and chemical changes Deck (23):
1

Physical property

Characteristics of a substance that like color, shapes, texture, mass, volume, and density.

2

Phase

All solids share two characteristics, definite shape and a definite volume.

3

Crystal

Solids arranged in a regulating, repeating pattern.

4

Gas

Gases do not have a definite shape or volume.

5

Plasma

Plasma is a phase that has extremely high energy which is dangerous. It is rare on earth but not in space.

6

Liquid

Liquids have no definite shape but has a definite volume.

7

Melting

The change of a solid into a liquid.

8

Melting Point

The temperature at which a solid changes to a liquid.

9

Freezing

A phase change of a liquid to a solid.

10

Freezing point

The freezing point of a substance is the same as the melting point.

11

Vaporization

The change of a substance from a liquid to a gas.

12

Evaporation

Vaporization happening at the surface of a liquid.

13

Boiling

The process in which particles inside as well on the surface of a liquid change to a gas

14

Boiling point

The temperature at which a substance changes from a liquid phase to the gas phase

15

Condensation

When a substance in the gas phase looses heat energy and changes into a liquid.

16

Sublimation

When a substance changes from the solid form directly to the gas form. example Dry ice.

17

Chemical Property

Properties that describe how a substance changes into other new substances.

18

Flammability

It is the ability to burn. when a substance is burned a new substance is created.

19

Chemical change

Changes a substance undergoes when they turn into other substances.

20

Chemical reaction

Another name for chemical change.

21

Amorphous solids

Amorphous solids are solid that lose there shape under certain conditions. Examples wax, glass, and tar.

22

Viscosity

The resistance of liquids to move.

23

solid

Has a definite shape and volume.