Year 4 - Science
Melting temperatures: do and review
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 investigate the melting temperatures of common materials and evaluate your investigation.
Key Notes
- The melting temperature is the temperature at which a material in its solid state changes to its liquid state.
- Thermometers can be used to measure temperature.
- Scientists take accurate measurements of temperature in units of degrees Celsius.
- The results of an investigation can often be recorded in a table, chart or graph.
- Results can be used to draw simple conclusions and suggest improvements.
Vocabulary To Learn
- melting temperature: The melting temperature of a material is the temperature at which it changes from solid state to liquid state.
- solid: A solid has a fixed shape and volume but some solids can change shape when a force is applied.
- liquid: A liquid can flow, has a fixed volume and takes the shape of the bottom of its container.
- degrees Celsius: Temperature is measured in degrees Celsius (°C).
- conclusion: In a conclusion, scientists explain what the results show or mean.
Common Mistakes To Avoid
- Children may think that only common materials such as ice melt at room temperature or that when something melts, the liquid is a different substance to the original solid.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
The melting temperature is the temperature at which a material in its solid state changes to its liquid state. Thermometers can be used to measure temperature.
2. Define this scientific word and use it in context. 'melting temperature'
The melting temperature of a material is the temperature at which it changes from solid state to liquid state. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Children may think that only common materials such as ice melt at room temperature or that when something melts, the liquid is a different substance to the original solid. Correction: Children are shown a range of materials with different melting temperatures which range from below to above room temperature. They are taught to refer to materials in a way that highlights the fact that the material is still the same substance.
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: plan Study Guide
- Melting temperatures: research Study Guide
- Properties of solids, liquids and gases Study Guide
- Temperature and evaporation: do and review Study Guide
- Temperature and evaporation: plan Study Guide
- Thermometers and data loggers Study Guide
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