Different Energy Forms

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ENERGY What is it and what kinds are there?

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Transcript of Different Energy Forms

Page 1: Different Energy Forms

ENERGY

What is it and what kinds are there?

Page 2: Different Energy Forms

What is Energy?

• Energy is the ability to do work.

• There are two main types of energy:• Potential• Kinetic

Page 3: Different Energy Forms

Potential Energy

• Energy that is stored and being held, waiting to be used is potential energy.

• Examples:• A car parked in a parking lot• A child at the top of a slide• A ball sitting on a table• Someone pulling a arrow back on a bow

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Kinetic Energy• The energy of motion is kinetic

energy.

• Examples:• Rolling a ball down a hill• Going down a hill on a roller coaster• Riding your bicycle

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Potential vs. Kinetic

• When one increases, the other decreases.

Page 6: Different Energy Forms

Potential vs. Kinetic

• When one increases, the other decreases.

Page 7: Different Energy Forms

Other Types of Energy…

• Mechanical

• Electromagnetic

• Electrical

• Chemical

• Thermal

• Sound

Page 8: Different Energy Forms

What is Mechanical Energy?

o Energy due to a object’s motion

(kinetic) or position (potential).

The gears in a watch have mechanical

energy.

When the gears turn it moves the arms of

the watch.

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Other examples of Mechanical Energy

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What is Electrical Energy?

o Energy caused by the movement of

electrons

o Easily transported

through power lines and converted into other forms of

energy

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Examples of Electrical Energy

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What is Chemical Energy?

o Energy that is available for release from

chemical reactions.

The chemical bonds in a matchstick

store energy that is transformed into thermal energy

when the match is struck.

Page 13: Different Energy Forms

Examples of Chemical Energy

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What is Thermal Energy?

o Heat energy

o The heat energy of an object determines how active its atoms are.

A hot object is one whose atoms and molecules are excited and show rapid

movement.

A cooler object's molecules and atoms will show less

movement.

Page 15: Different Energy Forms

Examples of Thermal Energy

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What is SoundEnergy?

Sound is the movement of energy through

substances in waves. 

Sound is produced when a force causes an object or

substance to vibrate.

Page 17: Different Energy Forms

Examples of Sound Energy

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What is ElectromagneticEnergy?

Includes energy from gamma rays, x-rays,

ultraviolet rays, visible light, infrared rays,

microwave and radio bands


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