Energy Conversion Unit Review

Explain how energy is converted from one form to another in wind turbine? Use these keywords: kinetic energy and electrical energy.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Which of the following best describes the energy conversion in a combustion engine?

• Chemical to Mechanical

• Electrical to Mechanical

• Solar to Electrical

• Mechanical to Chemical

Tags

NGSS.HS-PS3-3

In an electric heater, electrical energy is primarily converted into what type of energy?

• Chemical

• Mechanical

• Thermal

• Nuclear

Tags

NGSS.MS-PS3-5

Electrical energy is transferred to _____ energy.

• Kinetic

• Solar

• Electrical

• Thermal

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

• thermal to electrical

• mechanical to thermal

• electrical to thermal

• electrical to sound

What is the primary energy transformation in a battery-powered flashlight?

• Chemical to electrical to light

• Electrical to chemical to light

• Mechanical to electrical to light

• Solar to electrical to light

Tags

NGSS.MS-PS3-5

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?

• electrical → light → mechanical
• chemical → mechanical → electrical
• mechanical → chemical → light
• mechanical → electrical → light

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

The process of changing energy from one form to another.

• transmission

• transportation

• transformation

Tags

NGSS.HS-PS3-3

NGSS.HS-PS1-4

How would you describe the relationship between the mass of a car and its kinetic energy?

• As the mass of a car increases, its kinetic energy decreases.

• As the mass of a car decreases, its kinetic energy increases.

• There is no clear relationship between mass and kinetic energy.

• As the mass of a car increases, its kinetic energy increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

• mechanical to heat

• sound to mechanical

• potential to kinetic

• kinetic to potential

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2