Year 4-Material

Which of the following are the basic source of materials?

• Petron

• Animal

• Plant

• Rocks

Wood ,cotton and rubber are example of materials. These materials belong to the group of................

• Animal

• Rocks

• Petron

• Plants

................. and ................... are example of materials made of the basic source of rocks.

• Wool, metal

• Metal, plastic

• Pastic, soil

• Soil, metal

The basic source of plastic and synthetic cloth is .................. .

This material allows electric to flow through it.

• insulator

• absorber

• conductor

• plastic

This material does not allow electric to flow through it.

• insulator

• absorber

• conductor

• iron

You are now an owner of a company producing the object shown. Which of the following material is best used to make the object shown.

• Cotton

• Wool

• Rubber

• Synthetic cloth

Your sibling accidentally spilled the water on the table. Which of the following materials can be used to wipe the water. ( Choose two materials)

• Cotton

• Wool

• Rubber

• Synthetic cloth

Predict what will happen to the amount of water in glass when the sponge is removed.

• Remains the same.

• It will increase.

• It will decrease.

• It will change colour.

What is the characteristic of the material that is being investigated? Choose the best answer.

• Ability to change the shape.

• Ability to conduct electricity.

• Ability to bend.

• Ability to absorb water.