The Atomic Nature Of Matter

Question 1

What is matter?

Answer 1

Matter is anything that takes up space and has mass.

Question 2

What are the three states of matter?

Answer 2

Solid, liquid and gas.

Question 3

What are all physical things in the universe?

Answer 3

Matter

Question 4

What are the smallest parts of matter?

Answer 4

Atoms

Question 5

What’s an atom?

Answer 5

The smallest part of a chemical element that can exist.

Question 6

What is all things that make up matter, including atoms called?

Answer 6

Particles

Question 7

What can help explain the atomic nature of matter?

Answer 7

Models

Question 8

Can atoms be destroyed in chemical reactions?

Answer 8

No

Question 9

What’s a molecule?

Answer 9

Atoms bonded together.

Question 10

What’s an element?

Answer 10

Made of one type of atom, found on periodic table of elements.

Question 11

Do solids have a definite shape?

Answer 11

Yes

Question 12

What are elements made out of?

Answer 12

A bunch of atoms together to make an element.

Question 13

What’s the change from solid to liquid?

Answer 13

Melting

Question 14

What’s the change from liquid to solid?

Answer 14

Freezing

Question 15

What’s the change from liquid to gas?

Answer 15

Evaporation

Question 16

What’s the change from gas to liquid?

Answer 16

Condensation?

Question 17

What’s the change from solid to gas?

Answer 17

Sublimation

Question 18

What are particles in solids, liquids and gases constantly doing?

Answer 18

Vibrating

Question 19

What happens to particles in atoms when they get heat energy?

Answer 19

They vibrate more and move around.

Question 20

What happens to particles when they lose heat and energy?

Answer 20

They slow down and vibrate less.

Question 21

What is diffusion?

Answer 21

The spreading out of materials due to the movement of their particles.

Question 22

Where does diffusion take place?

Answer 22

From an area of high concentration to an area of low concentration.

Question 23

Give 3 everyday examples of diffusion.

Answer 23

• MiWadi
• an air diffuser
• deodorant