Energy review (from wind unit)

Energy defined is

• something we eat to make us move.

• something everyone needs to live.

• the ability to do work or cause change.

• fuel we need to help us

Work defined is

• A place we earn wages

• The result of a force moving an object in the direction of the force.

• Doing something hard to do

• A four letter word

Two major categories of energy.

• Chemical and Non-chemical

• Thinking and Doing

• Kinetic and Potential

• motion and stored

Tags

NGSS.MS-PS3-2

Examples of kinetic energy

• running and playing

• gasoline

• a coaster at the top of a hill

• nuclear energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy transformation

• Energy changing from a toy car to a beast

• A train running down the tracks

• electricity traveling on a wire

• Gasoline burning and making a car move

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Conservation of energy

• Save as much energy as you can

• We must Conserve our Environment

• Energy can't be created or destroyed; it just changes form

• We must use renewable energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Electricity is special because

• We use a lot of it like petroleum.

• It can save our planet

• It is cheap to produce

• It is a secondary source of energy

Tags

NGSS.MS-PS3-5

Secondary Energy Source means

• Energy produced from another form of energy

• Not a primary source of energy

• The second wave of energy

• A minor source of energy

What are renewable sources of energy?

• limited in supply

• Abundant and can be replaced in a short time

• Can't be replaced so they are precious

• They are fossil fuels

Tags

NGSS.MS-ETS1-2

What is an example of a nonrenewable source of energy?

• hydropower

• Abundant and can be replaced in a short time

• geothermal

• fossil fuels

Tags

NGSS.MS-PS3-5