Science is all around us. Magnets pull iron, nickel and cobalt but not wood, plastic or copper. A see-saw is a lever, a ramp is an inclined plane and a knife is a wedge. Ice is a solid, milk is a liquid and air is a gas. Sunlight and wind are renewable sources of energy; coal and petrol will run out.
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🏁 Lesson 26 test
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
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