KS3 energy

When you drop an object, what are the main energy transfers involved?

• Gravitational potential to thermal

• Kinetic to gravitaional potential

• Gravitational potential to chemical

• Gravitational potential to kinetic

When you burn a fuel, what are the main energy transfers involved?

• Chemical to elastic potential

• Thermal to chemical

• Chemical to thermal

• Electrostatic to thermal

When you release a stretched spring, what are the main energy transfers involved?

• Elastic to kinetic

• Kinetic to elastic

• Elastic to thermal

• Elastic to chemical

Energy is measured in what units?

• Hertz

• Watts

• Joules

• Newtons

What will transfer energy more quickly?

• Insulators

• Conductors

An example of an insulator would be:

• Plastic

• Metal

WHEN AN ARCHER BENDS A BOW, WHAT TYPE OF ENERGY INCREASES IN THE BOW?

• GRAVITATIONAL
• ELASTIC
• KINETIC
• THERMAL

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NGSS.HS-PS3-2

NGSS.HS-PS3-3

YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?

• KINETIC
• ELASTIC
• GRAVITATIONAL
• CHEMICAL

Tags

NGSS.MS-LS1-7

WHAT ANOTHER NAME FOR THERMAL ENERGY?

• HEAT ENERGY
• ITS SIZE
• ITS POTENTIAL ENERGY
• ITS MECHANICAL ENERGY

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NGSS.MS-PS3-3

WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?

• NO MACHINE IS 100% EFFICIENT
• ENERGY IS NEITHER CREATED OR DESTROYED
• THE ENERGY RESOURCES OF EARTH ARE LIMITED
• THE ENERGY OF A SYSTEM IS ALWAYS DECREASING

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5