Science

Question 1

1Like poles attract each other.

Easy

A. True B. False

Question 2

2Unlike magnetic poles ___ each other.

Easy

Your answer (fill in the blank)

Question 3

3The instrument that uses a magnet to find direction is a ___.

Easy

Your answer (fill in the blank)

Question 4

4A magnet can be demagnetised by

Medium

A. cooling it B. storing it with keepers C. heating or hammering it D. painting it

Question 5

5A compass needle points towards the Earth's magnetic north.

Easy

A. True B. False

Question 6

6Which material is NOT attracted by a magnet?

Easy

A. steel B. iron C. nickel D. aluminium

Question 7

7Iron is a magnetic material.

Easy

A. True B. False

Question 8

8Like magnetic poles ___ each other.

Easy

Your answer (fill in the blank)

Question 9

9Heating a magnet can make it lose its magnetism.

Easy

A. True B. False

Question 10

10The strength of an electromagnet can be increased by

Medium

A. using plastic B. removing the iron core C. increasing the current or the number of turns D. reducing the current