To evaporate is to change from a liquid to a gas.

Temperature is a measure of how hot or cold something is.

To affect something is to influence or change it.

Variables are the things that can be changed, measured or kept the same in a comparative or fair test.

Temperature and evaporation: plan

Science

In this Introduction to states of matter and changing states unit, pupils learn that some materials change state when they are heated or cooled. In the Properties, changes and separating materials unit, they will build on this knowledge to learn that dissolving, mixing and changes of state are reversible changes

In the Everyday materials unit, pupils learnt to compare and group together a variety of everyday materials on the basis of their simple physical properties. In this Introduction to states of matter and changing states unit, pupils will build on this knowledge to compare and group materials together according to whether they are solids, liquids or gases

This unit explores the properties of solids, liquids, and gases, and how materials change state when heated or cooled. It covers evaporation, condensation, and the water cycle, with a focus on practical enquiries, careful observations, accurate measurements, and presenting findings.

Introduction to states of matter and changing states

Physical activity and equipment requiring safe use

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

At what temperature can evaporation of a liquid take place? 

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

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

What is water in the solid state called? 

Match the process to the state change which would result.

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

Match the name of the process to the description.

Content guidance

Risk assessment required - equipment

Adult supervision required

Introduction

What will you need for this lesson?

Are you ready to learn?

Equipment

Content guidance

Supervision

Worksheet