Starter quiz
Scientists carry out an ______ to find out answers to their questions.- 'investigation' ✓
Rocks come from the Earth's crust. We often dig them out of the ground from ...- a shop
- an aquarium
- a cafe
- a forest
- a quarry ✓
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Which of these describes what a rock is?- Rock is a human-made material from concrete.
- Rock is a natural material that is made in a factory.
- Rock is a natural material that is made from different minerals. ✓
- Rock is a human-made material that is made from different minerals.
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Which of these objects could you use to investigate the physical property of hardness of different rocks?- a piece of cotton wool
- the edge of a coin ✓
- a nail ✓
- a feather
- a steel nail file ✓
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Which of these questions about physical properties would you need to use water to investigate?- How waterproof is teddy's coat? ✓
- How strong is the magnet?
- Which is the best kitchen towel to wipe up the spill? ✓
- Which trees are deciduous?
- Which nappy absorbs the most liquid? ✓
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Friedrich ______ was a famous scientist from the past who developed a scratch test to help us to learn more about rocks and their physical property of hardness.- 'Mohs' ✓
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