Energy

The principle of conservation states......

• Energy cannot be created or destroyed but only changed from one form to another.

• Energy can be created or destroyed while being changed from one form to another.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is Potential Energy?

• Stored Energy

• The Energy of Movement

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NGSS.MS-PS3-2

Kinetic Energy is...

• Stored Energy

• The Energy of Movement

Which types of Energies below are stored energy?

• Light

• Chemical

• Sound

• Nuclear

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NGSS.MS-PS3-2

What does Dissipation mean?

• Wasted Energy

• Useful Energy

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NGSS.MS-PS3-5

What is the Primary Source of Energy on Earth?

• Sun

• Moon

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NGSS.MS-ESS2-4

NGSS.MS-LS1-6

Which device below is more efficient?

• Filament light bulb

• LED bulb

• Kettle

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

On appliances there are energy efficiency ratings. Which letter tells us which appliance is the most efficient?

• A

• D

• G

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NGSS.MS-PS3-3

What does a Sankey Diagram show?

• How much energy is change into useful forms and into forms that are not useful and which dissipate

• How much energy changes into useful form only

• How much energy is dissipated only.

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NGSS.MS-PS3-5

How much Energy is dissipated in this Sankey diagram?

• 25J

• 75J

• 100J

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NGSS.MS-PS1-4

NGSS.MS-PS3-4