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11 Cards in this Set
- Front
- Back
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1.force |
The pull or push that applies on an object
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2.gravity |
the force that attracts a body towards the centre of the Earth
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3.friction |
the action of one surface or object rubbing against another
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4.energy |
the ability to do work |
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5.solar energy |
the energy that we get from sun
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6.wind |
moving air |
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7.pollutes |
contaminate air, water, land with harmful substances |
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8.fuels |
materials such as coal or gas that is burned to produce heat
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9.inclined plane |
a sloping ramp |
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10.wedge |
sharp edge made by two inclined planes used to cut objects
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11.groove |
a narrow cut |
