Partical Model

Question 1

What is the particle model?

Answer 1

The particle model is a scientific theory that explains the structure and behavior of matter in terms of tiny particles.

Question 2

True or False: In the particle model, all matter is made up of atoms.

Answer 2

True

Question 3

Fill in the blank: Solids have a fixed _____ and shape.

Answer 3

volume

Question 4

What are the three states of matter according to the particle model?

Answer 4

Solid, liquid, and gas.

Question 5

Multiple Choice: Which state of matter has particles that are tightly packed together?

Answer 5

a) Solid

Question 6

How do particles behave in a gas?

Answer 6

Particles in a gas move freely and are far apart from each other.

Question 7

What happens to the particles in a substance when it is heated?

Answer 7

The particles gain energy and move faster.

Question 8

True or False: Liquids have a definite shape but not a definite volume.

Answer 8

False

Question 9

Fill in the blank: In a _____, particles are arranged in a regular pattern.

Answer 9

solid

Question 10

What is diffusion in terms of the particle model?

Answer 10

Diffusion is the process where particles spread from an area of high concentration to an area of low concentration.