Conservation of Energy Lesson

This is the law of...

• Constellations

• Consternation

• Conservation of energy

• Conservation of work

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Energy can only be

• Eaten

• Destroyed

• Created

• Transferred

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Look at the information in the image and choose the correct statement below.

• Fan heater L is more efficient than fan heater M

• Fan heater L has the same efficiency as fan heater M

• Fan heater L is less efficient than fan heater M

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The car in the image is moving along a flat road

Complete the sentence below:

The car is designed to make useful ___________ energy as the car moves

• Light

• Electrical

• Sound

• Kinetic

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The Law of Conservation of ​ ​ (a)   states that energy ​ (b)   be ​created or ​ (c)  

• Energy

• cannot

• destroyed

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The wise use of natural resources (reducing energy use) is called:

• Production

• Biomass

• Conservation

• Restoration

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What happened to wasted energy?

• Energy is not wasted

• Its given out to the surroundings, spreads out and becomes useless

• During energy transfers all the energy is used up

• If energy is not used during an energy transfer it is lost

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According to the law of conservation of energy, the total amount of energy in the universe ____.

• changes constantly

• remains constant

• increases

• decreases

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As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• The PE and KE increase and decrease together

• The PE decreases while the KE increases 

• Impossible to know without knowing the mass  

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At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A

• B

• C

• D

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