Science

Question 1

1Sea breezes during the day are caused by

Medium

A. radiation only B. friction C. convection currents D. conduction

Question 2

2The transfer of heat by the movement of fluid is

Easy

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

Question 3

3Wool is a good heat insulator.

Easy

A. True B. False

Question 4

4Metals are good conductors of heat.

Easy

A. True B. False

Question 5

5Liquids expand when heated.

Easy

A. True B. False

Question 6

6Heat transfer by moving fluids is ___.

Easy

Your answer (fill in the blank)

Question 7

7Most substances expand when

Easy

A. weighed B. cooled C. painted D. heated

Question 8

8Which material is a good conductor of heat?

Easy

A. wool B. aluminium C. wood D. plastic

Question 9

9Wearing light-coloured clothes on a hot day keeps you cool because they

Easy

A. reflect sunlight B. absorb more heat C. conduct heat in D. are heavier

Question 10

10Materials that do not conduct heat well are ___.

Easy

Your answer (fill in the blank)