Starter quiz
- Which of these materials are soils made from?
- rock ✓
- dirt
- air ✓
- organic materials ✓
- water ✓
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- Soils have different textures, colours and particle sizes. We call these their ...
- 'properties' ✓
- Which of these are the reasons why there are different types of soil?
- Different factories make different types of soils.
- Different rocks are weathered and eroded to produce different types of soils. ✓
- Different man-made materials make up soils.
- Soils have different types of sediment and organic material in them. ✓
- Different parts of the country have different types of rock in the soil. ✓
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- Which of these things could a soil scientist use to look more closely at the properties of different soil samples?
- ruler
- digital microscope ✓
- thermometer
- hand lens ✓
- Match the type of soil to its description.
- clay soils⇔a heavy texture and small particles ✓
- sandy soils⇔a lighter texture and larger particles ✓
- silty soils⇔a fine texture with particles larger than clay but smaller than sand ✓
- When handling soils you should always wear ______.
- 'gloves' ✓
Exit quiz
- Scientists ask ______ about which type of soil is best for different purposes.
- 'questions ' ✓
- Soil scientists investigate soils so that they can help with which of these things?
- help people make their animals better
- help farmers grow healthy crops ✓
- help engineers reduce flooding ✓
- help astronauts fly into space
- help conservationists create wetlands ✓
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- If a soil is permeable, what happens when it rains?
- it doesn't let the water flow through it quickly
- the water drains away quickly ✓
- the soil turns to mud
- the rain makes big puddles on the surface of the soil
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- Water moves very easily through permeable soils and very ______ through soils with low permeability.
- 'slowly ' ✓
- Which two of the choices below would be included in a good plan in a scientist's investigation. The plan will include...
- what the answer is to their question.
- what they will do. ✓
- what the data shows them.
- what equipment they will need. ✓
- what went wrong in the investigation.
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- In a comparative test investigation, ______ must be controlled, so that only the one being tested is changed.
- 'variables' ✓
Worksheet
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Presentation
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Lesson Details
Key learning points
- Soil scientists ask questions about which type of soil is best for different purposes.
- Water moves very easily through permeable soils and very slowly through soils with low permeability.
- In a comparative test investigation, variables must be controlled so that only one thing is changed.
- Scientists make plans that include what they will do and what equipment they will need.
Common misconception
All soils are the same when it comes to permeability, how wet/dry a soil is depends how much it rains.
By planning a practical activity, pupils will be able to measure and observe how permeable different types of soils are.
Keywords
Permeable - If a material or substance is permeable it will allow liquids and gases to pass through it.
Plan - A plan is a method that maps out the steps that will be taken during an investigation.
Comparative test - In a comparative test, the thing that is being changed has labels, such as the types of materials.
Variable - A variable is something that can be changed, measured or kept the same in an investigation.
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