Temperature and evaporation: plan | Science | Quizalize & Oak National Academy

Starter quiz

In which state is water vapour?

solid

liquid

gas ✓
What is water in the solid state called?

'ice' ✓
Which of these states can flow?

solid state ✓

liquid state

gas state ✓
Match the process to the state change which would result.

heating

⇔

liquid to gas ✓

cooling

⇔

gas to liquid ✓
Which of these will change water from its liquid to its gas state?

thermometer

freezer

cooker ✓

fridge
Match the name of the process to the description.

evaporation

⇔

the change of state from liquid to gas ✓

condensation

⇔

the change of state from gas to liquid ✓

Exit quiz

In which state does water expand to fill the whole of its container?

solid

liquid

gas ✓
What process causes wet washing to dry?

evaporation ✓

condensation

freezing

melting
What is evaporation?

the change of state from gas to liquid

the change of state from liquid to gas ✓

the change of state from solid to liquid
At what temperature can evaporation of a liquid take place?

only above 10°C

only above 50°C

at any temperature ✓
Which of these things, that can be investigated by scientists, can affect how quickly a liquid evaporates to a gas?

temperature ✓

noise

light
In a fair test investigation, how many variables should be changed?

0

1 ✓

2

any number

Worksheet

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Lesson Details

Key learning points

Evaporation can take place at any temperature.
Scientists investigate how temperature affects how quickly a liquid evaporates to a gas.
A fair test investigation involves controlling variables so that only one thing is changed.

Common misconception

Children may believe that water cannot exist in a gas state because they cannot see it. They may also think that evaporation only occurs at high temperatures.

Teaching slides explain the existence of water vapour, even though it is invisible. By investigation, children observe and measure that evaporation occurs at all temperatures.

Keywords

Evaporation - To evaporate is to change from a liquid to a gas.
Temperature - Temperature is a measure of how hot or cold something is.
Affect - To affect something is to influence or change it.
Variables - Variables are the things that can be changed, measured or kept the same in a comparative or fair test.