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Electrical Energy Unit 5

Electrical Energy Unit 5

Assessment

Presentation

Science

7th Grade

Practice Problem

Hard

NGSS
K-ESS3-1, K-ESS3-3, 1-LS1-1

+6

Standards-aligned

Created by

Virginia Ann Mayberry

FREE Resource

11 Slides • 0 Questions

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Electrical

Energy

Unit 5

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energy

Energy is what causes matter

to move or change

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Can be produced from a variety of energy sources
Can be transformed into almost
any other form of energy

Electrical Energy

sound wave

microphone

electric current

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The electrical energy generated by windmills, waterfalls, & power plants is actually a secondary source of energy
They are examples of renewable energy and cause less pollution than burning fossil fuels

Electrical Energy

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Electricity is a type of electrical energy

Electricity is important because we can use it to make so many
things work

A bulb converts electrical energy into light energy

A speaker converts electrical energy into sound energy

Electricity

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To produce electricity, a heat source is needed to create the
conditions in which electrical currents form

In effect, the primary source of electrical energy is the heat
generated by burning fossil fuels, water power & wind power

Electricity

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A natural form of electrical energy can be seen in the lightning that

appears during storm

Electricity

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Converts electrical energy

from chemical energy

Stores energy

Transfers energy to

components in circuits

Batteries

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Occurs when there is a build-up of electrons on something, giving it an electric charge

The electrons will then be attracted to something with less electric charge, so they'll jump to an object that has fewer electrons

Static

Electricity

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A way of routing electricity

along a path/circuit

Electrical Current

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Electrical

Energy

Unit 5

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