Year 3 - Science
Different surfaces: do and review
Simple forces including magnets
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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 how objects move on different surfaces and examines magnetic forces, including attraction, repulsion, and magnetic materials. It covers identifying magnetic poles and predicting interactions and emphasizes practical tests, observations, and presenting findings.
Lesson Summary
You will learn to carry out tests and compare how things move on different surfaces.
Key Notes
- Objects move differently over different surfaces.
- Scientists can carry out comparative test investigations to compare different surfaces.
- Friction forces slow down moving objects.
- A rough surface will create a greater friction force against a moving object than a smooth surface.
- In a conclusion, scientists explain what the results show or mean.
Vocabulary To Learn
- surface: The surface is the top or outside layer of something.
- friction forces: Friction forces are forces which act between the surfaces of objects.
- rough: Rough surfaces are uneven or bumpy.
- smooth: Smooth surfaces are even and not bumpy.
- conclusion: In a conclusion, scientists explain what the results show or mean.
Common Mistakes To Avoid
- Friction doesn't have a direction; a force is needed to keep an object moving at a constant speed.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Objects move differently over different surfaces. Scientists can carry out comparative test investigations to compare different surfaces.
2. Define this scientific word and use it in context. 'surface'
The surface is the top or outside layer of something. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Friction doesn't have a direction; a force is needed to keep an object moving at a constant speed. Correction: Provide examples, with images, to demonstrate the effects of friction on moving objects.
More Lessons In This Unit
- Blocking magnetic force Study Guide
- Contact forces Study Guide
- Different magnets and their parts Study Guide
- Different surfaces in real life (non-statutory) Study Guide
- Different surfaces: plan Study Guide
- Magnetic and non-magnetic materials Study Guide
- Magnetic force (non-statutory) Study Guide
- Magnetic force at a distance Study Guide
- Putting magnets together: attract or repel Study Guide
- Strongest magnet (non-statutory) Study Guide
- Using magnets to solve problems (non-statutory: Scientists and Engineers) Study Guide
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