Categorize materials base on their mass

Groups:

(a) Light material

,

(b) Heavy material

• 
• 
• 
• 

Which one is lighter?

• 
• 

Which ones is lighter?

• 
• 

Which one is more durable?

• 
• 

Durable means you can NOT use it for long

• True

• False

---is the stuff in which an object is made.

What is the material of this lunch box?​ (a)  

• Plastic
• Steel

---- is anything that is made up of one or more materials.

This pen was made up of two materials, they are:

• Steel

• Plastic

• Paper

--- is the characteristic of a material or object.