Forms of Energy

The image shows a closed circuit. When the student closes the switch, what form of energy will allow the light to glow?

• Electrical Energy

• Solar Energy

• Mechanical Energy

• Sound Energy

Observe the image shown below. How is the energy from the solar panel allowing the traffic light to function?

• Light energy is absorbed by the solar panel. It is converted to electrical energy and is allowing the light to function

• Thermal energy is absorbed by the solar panel and converted to light energy

• Light energy is absorbed by the solar panel and converted to mechanical energy.

• Thermal energy is absorbed by the solar panel and converted to mechanical energy

Which statement best describes how playing a violin converts one form of energy to another.

• Mechanical energy is converted into vibrations from the strings

• Mechanical energy is converted into thermal energy

• Electrical energy is converted into mechanical energy

• Electrical energy is converted into thermal energy

A student plugged in his headphones into his iPhone. The headphones need to be recharged after six hours. Which form of energy allows the headphones to produce music?

• Thermal energy charges the headphones and converts to sound energy

• Electrical energy charges the headphones and converts to mechanical energy

• Mechanical energy charges the headphones and converts to sound energy

• Sound energy is converted after the headphones were charged by electrical energy.

The pictures shows a child playing with a pinwheel. What form of energy is created by the rotation of the pinwheel?

• Sound energy is made as the pinwheel moves

• Mechanical energy is created when the pinwheel moves

• Electrical energy is created when the pinwheel moves

• Light energy is created when the pinwheel moves.

Tags

NGSS.MS-PS3-5

A student placed a beaker on top of a hotplate. The arrow placed on the beaker demonstrates the movement of the liquid caused by the energy produced by the beaker. How does the energy produced by the beaker affect the movement of the substance.

• The decreased energy produced from the hotplate is causing the substance to move rapidly

• The increased energy produced from the beaker is causing the substance to move less rapidly.

• The increased energy produced from the hotplate is causing the substance to move rapidly

• The increased energy produced from the hotplate is circulating throughout the beaker causing the substance to heat up throughout

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A student rubs a metal coin against a rock and noticed the coin was warmer. Which best explains how the energy was transferred.

• Mechanical energy to Thermal energy

• Light energy to Thermal energy

• Thermal energy to Mechanical energy

• Electrical energy to Thermal energy

Tags

NGSS.MS-PS3-4

This is an wind up toy. The wind up toy has a metal clip on its back that can be wound up. As the clip unwinds, it moves the legs and arms, causing the toy to move forward. How does this demonstrate transfer of energy?

• The winding of the clip is mechanical energy and as it is moving the toy, it causes additional mechanical energy.

• The winding of the clip is mechanical energy and the movement of the toy caues thermal energy

• The movement of the root is mechanical energy and the winding of the toy uses electrical energy

• As the clip moves it causes mechanical energy and the legs and arms move because of sound energy from the clip

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5