Energy Transformation & Conservation

Energy Transformation & Conservation

Forces p. 120-125

Multiple Choice

A change from one form of energy to another

• energy conservation

• energy transformation

• potential energy

• kinetic energy

Multiple Choice

How are different forms of energy related?

• they can all be transformed into other forms of energy

• none of them can be transformed into other forms of energy

• they can be created

• they can be destroyed

Multiple Choice

What is an example of multiple energy transformations?

• Your body transforms chemical to thermal

• Your body transforms chemical to mechanical

• a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light

• a phone converts electrical to electromagnetic

Multiple Choice

Which is an example of a single energy transformation?

• A toaster converts electrical to thermal energy

• A match converts mechanical to thermal to electromagnetic

• A biker converts chemical to mechanical to thermal

• A car converts chemical to thermal to mechanical

Multiple Choice

As an object falls its __________ energy decreases and its kinetic energy increases

• potential

• chemical

• thermal

• electric

Multiple Choice

A pendulum has the most kinetic energy when?

• at the top of its swing

• at the bottom of its swing

Multiple Choice

_________ CANNOT be created or destroyed

• energy

• transformation

• motion

• pendulums

Multiple Choice

According to which law of energy, energy can't be created or destroyed?

• First law of motion
• The law of tacos
• Laws of Energy
• law of conservation of energy

Multiple Choice

Why is a machine not 100% efficient?

• Friction

• Bad Parts

• Losing Energy

Multiple Choice

The fastest point of the roller coaster is__________ because____...

• B, all of the Gravitational Potential Energy has been transformed to Kinetic Energy

• D, it is at the end of the roller coaster

• C, all of the Gravitational Potential Energy has been transformed to Kinetic Energy

Multiple Choice

What would be the energy transformation from Position A to Position B

• Kinetic to Potential

• There is no energy transformation

• Gravitational Potential to Kinetic

• Potential Elastic to Gravitational Potential

Multiple Choice

The roller coaster cart has the most gravitational potential energy at position-

• W

• X

• Y

• Z

Multiple Choice

The roller coaster cart has the most kinetic energy at position-

• W

• X

• Y

• Z

Review Questions

Time to see what you have learned!

Multiple Choice

A change from one form of energy to another

• energy conservation

• energy transformation

• potential energy

• kinetic energy

Multiple Choice

How are different forms of energy related?

• they can all be transformed into other forms of energy

• none of them can be transformed into other forms of energy

• they can be created

• they can be destroyed

Multiple Choice

What is an example of multiple energy transformations?

• Your body transforms chemical to thermal

• Your body transforms chemical to mechanical

• a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light

• a phone converts electrical to electromagnetic

Multiple Choice

Which is an example of a single energy transformation?

• A toaster converts electrical to thermal energy

• A match converts mechanical to thermal to electromagnetic

• A biker converts chemical to mechanical to thermal

• A car converts chemical to thermal to mechanical

Multiple Choice

As an object falls its __________ energy decreases and its kinetic energy increases

• potential

• chemical

• thermal

• electric

Multiple Choice

A pendulum has the most kinetic energy when?

• at the top of its swing

• at the bottom of its swing

Multiple Choice

_________ CANNOT be created or destroyed

• energy

• transformation

• motion

• pendulums

Multiple Choice

According to which law of energy, energy can't be created or destroyed?

• First law of motion

• The law of tacos

• Laws of Energy

• law of conservation of energy

Multiple Choice

Why is a machine not 100% efficient?

• Friction

• Bad Parts

• Losing Energy

Multiple Choice

The fastest point of the roller coaster is__________ because____...

• B, all of the Gravitational Potential Energy has been transformed to Kinetic Energy

• D, it is at the end of the roller coaster

• C, all of the Gravitational Potential Energy has been transformed to Kinetic Energy

Multiple Choice

What would be the energy transformation from Position A to Position B

• Kinetic to Potential

• There is no energy transformation

• Gravitational Potential to Kinetic

• Potential Elastic to Gravitational Potential

Multiple Choice

The roller coaster cart has the most gravitational potential energy at position-

• W

• X

• Y

• Z

Multiple Choice

The roller coaster cart has the most kinetic energy at position-

• W

• X

• Y

• Z