Matter

Question 1

solid

Answer 1

A state of matter that has a shape and volume that does not change.

Question 2

liquid

Answer 2

A state of matter that has a fixed volume but not shape

Question 3

Gases

Answer 3

A state of matter that doesn’t have a fixed amount of shape or volume

Question 4

properties

Answer 4

A feature of a substance or object

Question 5

diffusion

Answer 5

It is the spreading out of a substance due to the particles moving

Question 6

volume

Answer 6

It is the amount of space the substance takes up

Question 7

fluid

Answer 7

A substance that has no shape like a gas or liquid

Question 8

particle model

Answer 8

It tells us that all particles are made up of matter and explains the properties of a liquid, gas, and solid

Question 9

expand

Answer 9

increasing in size due to the particles moving outwards

Question 10

contracts

Answer 10

becoming smaller in size due to particles becoming dense/cold

Question 11

melting point

Answer 11

It is a tempertaure that a solid substance turns into a liquid

Question 12

boiling point

Answer 12

It is a temperture that a liquid turns into a gas

Question 13

precipitation

Answer 13

It is falling water in a liquid or solid form. It is usally in clouds or aound in the air

Question 14

meteorologist

Answer 14

A scientist that steadies the weather a predits what will happen

Question 15

alchemists

Answer 15

They are chemist that try to change different metal into metal

Question 16

investigations

Answer 16

To find information about a situation

Question 17

observations

Answer 17

Finding information by using our senses

Question 18

scientists

Answer 18

Skilled people who find and do experiemnts about the materials on the world

Question 19

elements

Answer 19

A pure substance that only made up of one atom

Question 20

atoms

Answer 20

It is a very small particle that makes up things in the world

Question 21

atomic number

Answer 21

It is a number of proton in the nucleus of an atom