C1.1.1 - Introducing Particles

Question 1

What are particles?

Answer 1

A tiny bit of matter

Question 2

What is everything made of?

Answer 2

Matter

Question 3

What do you call a scientist learning chemistry?

Answer 3

Chemist

Question 4

What is the particle model?

Answer 4

The particle model describes how particles are arranged

Question 5

Describe the particle model of a solid

Answer 5

The arrangement of particles is regular
The relative distance between particles is very close
The main movements of the particles is vibrating around fixed positions

Question 6

Describe the particle model of a liquid

Answer 6

The arrangement of particles is random
The relative distance between the particles is close
The main movement of the particles is moving around each other

Question 7

Describe the particle model of a gas

Answer 7

The arrangement of particles is random
The relative distance between particles is far apart
The main movement of the particles is moving quickly in all directions

Question 8

What is the only state you can compress?

Answer 8

Gas

Question 9

Which state cannot flow?

Answer 9

Solid

Question 10

Why do solids have a fixed shape and are unable to flow?

Answer 10

Their particles are close together and can’t move