Science

Question 1

1The force that slows down a ball rolling on grass is

Easy

A. magnetism B. tension C. friction D. upthrust

Question 2

2A torch converts chemical energy in the battery into

Easy

A. sound energy B. wind energy C. light energy D. nuclear energy

Question 3

3A force can change an object's

Easy

A. speed, direction or shape B. colour C. smell D. taste

Question 4

4The energy stored in a stretched rubber band is

Easy

A. potential energy B. sound energy C. kinetic energy D. heat energy

Question 5

5The image formed by a plane mirror is

Medium

A. virtual and inverted B. real and upright C. virtual and upright D. real and inverted

Question 6

6Friction is useful because it

Easy

A. helps us walk without slipping B. stops sound C. heats the sun D. makes things slippery

Question 7

7Heat travels through metals by

Easy

A. evaporation B. conduction C. radiation D. convection

Question 8

8An electric fan changes electrical energy into

Easy

A. chemical energy B. kinetic energy C. nuclear energy D. light energy

Question 9

9The unit of force is the

Easy

A. newton B. watt C. pascal D. joule

Question 10

10A simple electric circuit needs a source, a conductor and a

Easy

A. plastic only B. load such as a bulb C. nothing D. stone