Primary 4 Science Chapter 8 Materials

How many basic sources are there?

• 2

• 3

• 4

• 5

What are the variety of basic sources?

• plants

• animals

• petroleum

• rocks

• pewter

These are the materials from the Plants sources,

I) rubber

II) wood

III) cotton

IV) cactus

V) Flowers

Choose the correct ones.

• I,II,III

• II,III,IV

• III,IV,V

• I,II,IV

• I,III,V

These are the materials from the Animals sources,

I) Wool

II) Meat

III) Cow skin

IV) Silk cocoon

V) Leather

Choose the correct ones.

• I,II,II

• II,III,IV

• I,III,IV

• III,IV,V

List out two materials from the Petroleum source.

List out two materials from Rocks source.

Metal can be turned to

• Gold

• Sand

• Cooper

• Clay

Soil can be turned to ?

• Clay

• Cooper

• Gold

• Sand