Interactions
Magnets push and pull, forces change how things move, and living things depend on each other and their environment.
学习路径——由浅入深
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Properties of Magnets
What is a magnet? Find its strongest parts, see like poles repel and unlike poles attract, and watch a hanging magnet point North-South.
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Making and Using Magnets
Make your own magnet by stroking steel or using electricity, then spot the magnets hiding in everyday things around you.
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Interaction of Forces
A force is a push or a pull. See how friction, gravity, magnets and springs start, stop, speed up and reshape the things around you.
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Interactions Within the Environment
What makes up an environment? Explore habitats, build food chains and webs, and discover how organisms interact to stay alive.
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Surviving in the Environment
How do living things survive so well where they live? Discover clever adaptations — and how human actions help or harm the environment.
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