wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

2A and 2B revision

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Lloyd notices that, on a cold day, the tiles in his bathroom feel very cold on his feet. He puts on a pair of thick socks to stop his feet getting cold. Which form of heat transfer do the socks affect most in this situation?

a)

Conduction

b)

Convection

c)

Radiation

d)

Contact

2.
a)

Conductor 

b)

Insulator 

3.
a)

Conductor

b)

Insulator 

4.
If two objects have different temperatures, heat will flow from the cooler object to the warmer one.
a)
True
b)
False
5.
Conduction is the transfer of thermal energy ___________.
a)
in the form of electromagnetic waves such as infrared radiation without the aid of a medium
b)
through a medium without any flow of the medium
c)
by means of convection currents in a fluid (liquid or gas), due to a difference in density
d)
None of the above
6.
Why do metals conduct thermal energy more quickly?
a)
Particles vibrate faster
b)
Due to the presence of bound electrons
c)
Due to the presence of free electrons
d)
Metals are grey
7.
Which phase is the best conductor of heat?
a)
Solid
b)
Liquid
c)
Gas
8.

Convection can take place in _________________.

a)

solids only

b)

liquids only

c)

liquids and gases only

d)

solids, liquids and gases

9.

Liquids and gases are together called ___________.

a)

Fluids

b)

Matter

c)

Solvent

d)

None of the above

10.

The diagram shows some rice being boiled in a pan. What is the main methods by which thermal energy is transferred (i) through the metal pan and

(ii) through the water?

a)

(i) conduction (ii) conduction

b)

(i) convection (ii) convection

c)

(i) conduction (ii) convection

d)

(i) convection (ii) conduction

11.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
12.
What is infrared radiation?
a)
The circulation of a fluid caused by heating it.
b)
Transfer of heat inside a metal.
c)
Heat energy transfer by electromagnetic waves
d)
Transfer of light energy
13.
Which of the following is best at reflecting infrared radiation?
a)
Dark, matt surface
b)
Light, shiny surface
c)
Dark, shiny surface
14.

Absolute Zero scales

a)

Kelvin

b)

Rankine

c)

Fahrenheit

d)

Celsius

15.

Absolute zero definition

a)

Temperature at motion of particles would be zero

b)

Lowest temperature recorded at space

c)

Temperature of the heart of my ex.

d)

Temperature at the Helium is at solid state.

16.

Temperature is a measure of

a)

the average kinetic energy of the particles in the substance.

b)

the maximum kinetic energy of the particles in the substance.

c)

the minimum kinetic energy of the particles in the substance.

d)

the total thermal energy of the substance.

17.

Convert 35 C to K

a)

308 K

b)

238 K

c)

335 K

d)

35 K

18.

The lowest temperature possible in nature is

a)

273 oC-273\ ^oC

b)

0 oC0\ ^oC

c)

4 K4\ K

d)

303 K303\ K

19.

What kind of heat transfer requires no medium?

a)

conduction.

b)
  1. convection

c)
  1. radiation

20.

Give an example of heat transfer through convection.

a)
  1. The energy emitted from the filament of an electric bulb

b)
  1. The energy coming from the sun and stars

c)
  1. A frying pan on a hot stove

d)
  1. Water boiling in an electric jug