Year 4 - Science
Temperature and evaporation: plan
Introduction to states of matter and changing states
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
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.
Lesson Summary
You will learn to plan how to investigate how temperature affects the rate of evaporation.
Key Notes
- 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.
Vocabulary To Learn
- 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.
Common Mistakes To Avoid
- 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.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Evaporation can take place at any temperature. Scientists investigate how temperature affects how quickly a liquid evaporates to a gas.
2. Define this scientific word and use it in context. 'evaporation'
To evaporate is to change from a liquid to a gas. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: 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. Correction: 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.
More Lessons In This Unit
- Changing state: gas to liquid Study Guide
- Changing state: liquid to gas Study Guide
- Changing state: liquid to solid Study Guide
- Changing state: solid to liquid Study Guide
- Comparing and grouping solids, liquids and gases Study Guide
- Evaporation and condensation in the water cycle Study Guide
- Everyday examples of changing state: solids and liquids (non-statutory) Study Guide
- Everyday examples of evaporation and condensation (non-statutory) Study Guide
- Melting ice caps and glaciers (non statutory - Climate Change & Sustainability) Study Guide
- Melting temperatures: do and review Study Guide
- Melting temperatures: plan Study Guide
- Melting temperatures: research Study Guide
- Properties of solids, liquids and gases Study Guide
- Temperature and evaporation: do and review Study Guide
- Thermometers and data loggers Study Guide
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