3º SCIENCE. U. 5

They DON'T have DEFINITE shape or volume

• Solids

• Liquids

• Gases

• Materials

Energy sources that are limited are...

• Renewable

• Non-renewable

They have a DEFINITE shape and volume.

• Solids

• Liquids

• Gases

• Matters

Oxidation is when matter reacts with the ________ and the __________ (click on TWO of them) and change into a different matter.

• water

• air

• trees

• The Sun

Choose the PHYSICAL CHANGES we have studied:

• Change of state

• Change of shape

• Combustion

• Oxidation

Anything we can see, touch, taste or smell is...

(a)  

Combustion and oxidation are (a)   changes

They have a definite volume but they don't have a definite shape.

• Solids

• Liquids

• Gases

• Matterials

When matter reacts with other elements and changes into different matter, it's called...

• physical change

• chemical change

It is something that contains two or more different types of matter:

(a)