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U3 Heat and temperature

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

What measure how hot or cold it is?

a)

The sun

b)

Thermometers

c)

The melting point

d)

Chemical changes

2.

We can see the air temperature on weather forecasts

a)

True

b)

False

3.

We can only measure temperature in degrees Celsius

a)

True

b)

False

4.

Heat is a form of

a)

matter

b)

force

c)

light

d)

energy

5.

The most important source of heat on Earth is the...

(a)  

6.

The melting point is

(a)  

7.

The temperature at which a material transforms into liquid is

a)

The ice

b)

The evaporation

c)

Chemical changes

d)

The melting point

8.

The energy that comes from inside the Earth is called

a)

Solar energy

b)

Nuclear energy

c)

Earth energy

d)

Geothermal energy

9.

What is the name of the imaginary line the Earth spins on?

(a)  

10.

It's an imaginary line around the middle of the Earth

a)

Southern Hemisphere

b)

Equator

c)

Northern Hemisphere

d)

Celsius

11.

When the Northern Hemisphere is tilted away from the Sun, it's

a)

autumn

b)

summer

c)

winter

d)

spring

12.

When our hemisphere is tilted towards the Sun is...

a)

Winter

b)

Autumn

c)

Summer

d)

Spring

13.

How many states of matter there are?

a)

2

b)

3

c)

4

d)

5

14.

There are two states of matter

a)

True

b)

False

15.

Which one is a good thermal insulator?

a)

Metal

b)

Radiator

c)

Silver

d)

Wood

16.

When liquid turns to gas is called...

(a)  

17.

The evaporation point of chocolate is

a)

40ºC

b)

50ºC

c)

60ºC

d)

70ºC

18.

The melting point is the temperature a material changes from...

a)

liquid to gas

b)

liquid to solid

c)

solid to liquid

d)

gas to solid

19.

Thermal conductors...

a)

Don't get hot easily

b)

Get hot quickly and easily

c)

are plastic and rubber

d)

Don't get hot quickly

20.

Metals are good thermal insulators

a)

True

b)

False

21.

An example of thermal insulator is...

a)

rubber

b)

plastic

c)

wood

d)

all are correct