Changes of State Flashcards Preview

Chapter 3 - What are things made of? > Changes of State > Flashcards

Flashcards in Changes of State Deck (14):
1

When a solid changes into a liquid we call it...

melting

2

When a liquid changes into a gas we call it...

evaporating

3

When a gas changes into a liquid we call it...

condensation

4

When a liquid changes into a solid we call it...

freezing

5

How do we change a solid into a liquid?

Heat it past its melting point

6

How do we change a liquid into a gas?

Heat it past its boiling point

7

How do we change a gas into a liquid?

Cool it down lower than its boiling point

8

How do we change a liquid into a solid?

Cool it down to its freezing point

9

What is the freezing point of water?

0 Degrees Celsius

10

What is the boiling point of water?

100 Degrees Celsius

11

What happens to the particles in a solid when it melts?

Particles have enough energy to break free of their bonds slightly and can roll around in a liquid state

12

What happens to the particles in a liquid when it evaporates?

Particles have enough energy to break free of their bonds completely and are free to fly around

13

What happens to the particles in a gas when they condense into a liquid.

Particles lose energy and weak bonds form between them so that they roll around in a liquid state.

14

What happens to the particles in a liquid when they freeze?

Particles lose energy and bonds form between them so that they vibrate in a solid state.