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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Energy |
The ability to cause change |
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Work examples |
Picking up a book |
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Radio |
A radio uses radiant energy by transforming it into sound energy |
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Types of Potential Energy |
Gravitational Elastic Chemical |
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Kinetic energy example |
Basketball in motion |
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Describe the energy of hitting a nail with a hammer |
Potential when lifting hammer Kinetic when hammer is swung |
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Thermal energy example |
A car’s engine is warm after it runs |
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Work |
Is described as the force exerted on an object |
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Potential energy example |
A ball lifted in the air |
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What form of energy does a battery store |
Electric energy |
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What happens when two substances rub together |
Friction causes mechanical energy to be transformed into thermal energy |
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What happens when a student lifts his backpack |
The backpacks gravitational potential energy increases? |
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The more motion a moving object has … |
The more kinetic energy it has |
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When you lift a box of books… |
You are doing work on the box |
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Which way does thermal energy move? |
From warmer to cooler objects |
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What happens when an objects potential and kinetic energy changes? |
It’s mechanical energy changes |
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Block A is 1.5m and block B is 1.8m suspended above driveway Which one has more gravitational potential? energy? |
Block B has more |
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What happens when a bowling ball hits a pin? |
The pin moves because the ball does work on it |
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A car accelerating as it moves down the road shows increasing potential energy |
True |
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Nuclear energy from the sun produces what |
Thermal energy that travels to Earth |
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Which car has more kinetic energy? 1500 kg going at 15m/s 1500 kg going at 20 m/s? |
The one at 20 m/s |
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What happens to a truck as it speeds down the hill? |
It’s kinetic energy increases |
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Kinetic energy |
Energy due to motion of particles that make up an object |
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Elastic potential energy |
Energy stored in objects that are compressed or stretched Spring |
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Nuclear energy |
Energy stored and released in the nucleus of an atom |
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Chemical energy |
Energy stored in the bonds between atoms |
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A girl tossing a ball multiple times Explain law of conservation |
The ball gains potential energy when tossed up and on its way down it gains kinetic energy |
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What happens to a roller coaster’s total amount of energy as it goes uphill and slows down |
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Flow chart sequence of energy transformation when applying the brakes on a bike |
Moving bike—- brakes applied—- friction produced—- thermal energy increases |
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Categorize the types of energy used during photosynthesis |
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Does the production of waste energy during energy transformation violate the law of conservation of energy? |
No because waste energy is just energy that can’t be used again although it’s still there |
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