Year 3 - Science
The appearance of rocks
Rocks and soils
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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 covers comparing and grouping rocks based on appearance and physical properties, understanding fossil formation, and recognising that soils are made from rocks and organic matter. It involves setting up practical enquiries, making observations, and using evidence to answer questions.
Lesson Summary
You will learn to compare, group and identify different rocks by observing their appearance.
Key Notes
- The appearance of rocks can be observed more closely using a hand lens or microscope.
- Rocks can be compared and grouped by appearance, by looking for similarities and differences.
- Different rocks have different names.
- Rocks can be identified and named using simple secondary sources of information.
Vocabulary To Learn
- rock: Rock is a solid material that occurs naturally in Earth.
- appearance: The appearance of an object is the way something looks.
- compare: We compare things by looking at what is the same and what is different.
- identify: To identify something is to be able to name it correctly.
- secondary sources: Information gathered using secondary sources is information that has been collected by someone else.
Common Mistakes To Avoid
- Children may think that rocks are all just called 'rock' and they don't have different appearances and different names.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
The appearance of rocks can be observed more closely using a hand lens or microscope. Rocks can be compared and grouped by appearance, by looking for similarities and differences.
2. Define this scientific word and use it in context. 'rock'
Rock is a solid material that occurs naturally in Earth. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Children may think that rocks are all just called 'rock' and they don't have different appearances and different names. Correction: Make sure the rock samples you give them are not actual objects, e.g. an ornament, so they are not able to use usage as a way to classify. Use a wide range of rocks that are very different so the children can identify them correctly.
More Lessons In This Unit
- Different types of soils (non-statutory) Study Guide
- Everyday uses of rocks Study Guide
- Healthy soil (non-statutory Climate Change & Sustainability) Study Guide
- How fossils are formed Study Guide
- How geologists work Study Guide
- Introduction to rocks Study Guide
- Mary Anning (non-statutory) Study Guide
- Mohs' scale of hardness (non-statutory) Study Guide
- More about fossil formation Study Guide
- Physical properties of rocks: hardness Study Guide
- Physical properties of rocks: permeability Study Guide
- Soil permeability: do and review (non-statutory) Study Guide
- Soil permeability: plan (non-statutory) Study Guide
- Weathering and erosion of rocks Study Guide
- What soils are made from Study Guide
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