Moving and Energy

define energy

• to move from one object to another

• the distance an object travels in a particular amount of time

• the ability to do work or to cause change

stored energy in an object at rest is called :

• potential energy

• kinetic energy

• transferred energy

• thermal energy

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the speed or direction of an object is affected by :

• energy

• forces

• speed itself

• position

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When dominoes are given a tiny push and start knocking each other down, what kind of energy do they have?

• Potential

• Kinetic

• Electrical

• Thermal

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If a person is running, what kind of energy are they using?

• Kinetic energy

• Potential energy

• Electrical energy

• Thermal energy

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the ........................ is the ability to do work

• force

• gravity

• energy

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in this machine energy changes from

• kinetic into electric

• electric into kinetic

• sound into light

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When energy is _____________, it is changed from one kind of energy to another kind of energy.

• used up

• transformed

• wasted

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What happens to the energy of an object as its speed decreases?

• It stays the same

• It increases

• It decreases

• It first decreases then increases again

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This picture shows a food chain that can be found in a prairie.

At which level in the food chain is the most energy available?

• frog

• plant

• snake

• cricket

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