The height of a ramp affects the speed of a ball rolling down it in terms of energy because:

Higher ramps increase potential energy, leading to higher speed.

Lower ramps increase potential energy, leading to higher speed.

Height does not affect the speed of the ball.

The speed of the ball is only affected by its mass.

When you bowl a strike, what happens to the mechanical energy in the bowling ball? Describe in terms of ENERGY TRANSFER.

The mechanical energy is partially transferred to the pins and partially lost as heat and sound.

The mechanical energy is completely transferred to the pins.

The mechanical energy remains in the ball and is not transferred.

The mechanical energy is converted entirely into sound energy.

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved:

Mechanical energy (running water) transforms into electrical energy

Mechanical energy (running water) transfers into thermal energy

Mechanical energy (running water) transforms into sound energy

Mechanical energy (running water) transfers into chemical energy

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 13. A microphone

Electrical energy transforms into sound energy

Sound energy transforms into electrical energy

Mechanical energy transforms into electrical energy

Thermal energy transforms into sound energy

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 14. Hitting a golf ball

Chemical potential energy in the body transforms into mechanical energy of the arm. Mechanical energy of the arm transfers to the golf club & the mechanical energy of the golf club transfers to the golf ball.

Chemical potential energy in the body transfers directly to the golf ball without any transformation.

Mechanical energy of the arm transforms into thermal energy before reaching the golf club.

The energy in the golf ball is transformed into chemical energy upon impact

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 15. Frying eggs

Thermal energy of the stove transfers to the pan and then to the egg to cook it

Chemical energy of the egg transforms into thermal energy

Electrical energy of the stove transforms into chemical energy

Mechanical energy of the pan transfers to the egg

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 16. Making Ice (in the freezer)

Thermal energy is transferred from the warmer water to the cool air of the freezer. Electrical energy transforms into mechanical energy (spinning fan).

Thermal energy is transformed into chemical energy as the water freezes.

Electrical energy is transferred directly into the water to freeze it.

Mechanical energy is transformed into thermal energy to cool the water.

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 17. Solar panels

Radiant energy is transformed into electrical energy

Radiant energy is transferred to thermal energy

Electrical energy is transformed into mechanical energy

Chemical energy is transferred to electrical energy

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 18. Lighting a match

Chemical potential energy transforms into thermal & radiant energy

Chemical potential energy transfers to kinetic energy

Thermal energy transforms into chemical energy

Radiant energy transfers to chemical potential energy

Label each of the following as either an Energy Transfer or an Energy Transformation and be sure to include the forms of energy involved: 19. Shooting a bow and arrow

Elastic potential energy transforms into mechanical energy (string moving). The mechanical energy of the bow transfers to the arrow making the arrow move.

Elastic potential energy remains constant, and no energy is transferred to the arrow.

Mechanical energy transforms into thermal energy, causing the arrow to heat up.

Chemical energy in the bowstring transforms into light energy as the arrow is released.

How is making waffles an example of both energy transfer and an energy transformation? Explain.

Making waffles involves converting electrical energy into heat energy, which cooks the batter.

Making waffles involves converting mechanical energy into sound energy, which is heard during cooking.

Making waffles involves converting chemical energy into light energy, which is seen during cooking.

Making waffles involves converting kinetic energy into potential energy, which is stored in the batter.

What is the only force that can slow down the rate of an object in free fall? Why would a feather fall more slowly than a pebble?

Air resistance is the only force that can slow down the rate of an object in free fall. A feather falls more slowly than a pebble because it experiences greater air resistance due to its shape and lower mass.

Gravity is the only force that can slow down the rate of an object in free fall. A feather falls more slowly than a pebble because it is lighter.

Friction is the only force that can slow down the rate of an object in free fall. A feather falls more slowly than a pebble because it has a rough surface.

Magnetic force is the only force that can slow down the rate of an object in free fall. A feather falls more slowly than a pebble because it is non-magnetic.

Why did the potential energy of the box increase?

The box was moved to a higher position.

The box produced potential energy.

Unit 5 Study Guide

Authored by Garry Martin

Science

8th Grade

NGSS covered

Used 10+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At which point does the ball have the most potential energy (PE)?

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At which point does the ball have the greatest amount of kinetic energy (KE)?

Tags

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the energy transformation taking place at point C.

Kinetic to potential energy

Potential to kinetic energy

Thermal to mechanical energy

Mechanical to thermal energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy transformation taking place at point F is:

Kinetic to potential energy

Potential to kinetic energy

Thermal to mechanical energy

Mechanical to thermal energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As an object falls, what happens to the potential and kinetic energy?

Potential energy increases, kinetic energy decreases

Potential energy decreases, kinetic energy increases

Both potential and kinetic energy increase

Both potential and kinetic energy decrease

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are two ways potential energy can be increased?

By increasing the height of an object and by compressing a spring

By decreasing the height of an object and by stretching a spring

By increasing the speed of an object and by heating it

By decreasing the mass of an object and by cooling it

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are two ways that kinetic energy can be increased?

Increasing the mass and decreasing the velocity

Decreasing the mass and increasing the velocity

Increasing the mass and increasing the velocity

Decreasing the mass and decreasing the velocity

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

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Unit 5 Study Guide

At which point does the ball have the most potential energy (PE)?

At which point does the ball have the greatest amount of kinetic energy (KE)?

Describe the energy transformation taking place at point C.

The energy transformation taking place at point F is:

As an object falls, what happens to the potential and kinetic energy?

What are two ways potential energy can be increased?

What are two ways that kinetic energy can be increased?

The height of a ramp affects the speed of a ball rolling down it in terms of energy because:

A person will have the greatest amount of kinetic energy at what point during a roller coaster?

When you bowl a strike, what happens to the mechanical energy in the bowling ball? Describe in terms of ENERGY TRANSFER.

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