Unit 3: Energy 5.2, 5.3

Types of Energy

-There are two types of energy​ Potential and Kinetic

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- Energy changes from potential to kinetic, but is never destroyed or created

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​Kinetic Energy

KE is the energy of motion

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​The amount of Kinetic energy is dependent on the mass and speed of an object.

​Potential Energy

​Stored energy

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The energy of position

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The amount of energy contained in an object at rest

Types of Energy

-There are two types of energy​ Potential and Kinetic

​

​

- Energy changes from potential to kinetic, but is never destroyed or created

​

​Kinetic Energy

KE is the energy of motion

​

​The amount of Kinetic energy is dependent on the mass and speed of an object.

​Energy that is stored because of an object's position or height above Earth's surface.

​​Gravitational

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​The energy stored in the chemical bonds of a substance.

​​Chemical

​The energy that is stored when materials stretch or compress.

​Elastic

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​Types of potential energy

Multiple Choice

Energy due to motion is ____________ energy. 

• Potential 

• Energy

• Kinetic

• Friction

Multiple Choice

Kinetic energy depends on

• mass and height

• height and speed

• mass and speed

• mass and force

​Potential energy can transform (or convert) into kinetic energy

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Multiple Choice

What energy conversion takes place as the apple falls from the branch to the ground below?

• Kinetic energy is converted to potential energy.

• Potential energy is converted to chemical energy.

• Potential energy is converted to kinetic energy

• Chemical energy is converted to potential energy.

Multiple Choice

What energy conversion takes place as the 500 g pinewood derby car rolls down the track?

• Kinetic energy is converted to potential energy.

• Potential energy is converted to thermal energy.

• Potential energy is converted to kinetic energy

• Thermal energy is converted to potential energy.

​Most gravitational potential energy

​Less gravitational potential energy

​No gravitational potential energy

Multiple Select

Which of these are examples of elastic potential energy?

• compressed tire shocks

• hanging traffic light

• an apple being digested

• a rubber band wrapped around a box

Multiple Select

Which of these are examples of gravitational potential energy?

• skateboarder at the top of the ramp

• hanging traffic light

• a battery

• a spring that is compressed

Multiple Select

Which of these are examples of chemical potential energy?

• a skier at the top of a mountain

• an apple being digested

• a battery

• compressed tire shocks

Multiple Choice

What kind of energy is in a stretched rubber band?

• Potential
• Kinetic

Multiple Choice

What kind of energy is in a person climbing a ladder?

• Potential
• Kinetic
• Both

Multiple Choice

Which point has the most potential energy?

• G
• f
• b
• a

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

At which point is kinetic energy greatest?

• W
• X
• Y
• Z

Multiple Choice

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

Multiple Choice

When a roller coaster is at the bottom of a hill it has

• high potential energy

• high kinetic energy

• low kinetic energy

• equal amounts of kinetic and potential energy