Energy forms, conversions, efficiency, and transfers

What type of energy is represented in the picture?

• Gravitational Potential Energy

• Elastic Potential Energy

• Chemical Potential Energy

What energy conversion takes place when a phone is playing music?

• Electrical to chemical to light
• Sound to chemical to mechanical
• Chemical to electrical to sound
• Light to electrical to thermal

Tags

NGSS.HS-PS3-3

Which of the following best describes the energy conversion that occur when a flashlight running on batteries is turned on?

• Chemical to electrical to light

• Light to electrical to sound

• Chemical to elastic to mechanical to electrical

• Electric to radiant to chemical

What type of energy is represented in the picture?

• Thermal

• Chemical

• Sound

• Nuclear

Tags

NGSS.MS-LS1-6

What energy conversion occurs when howler monkeys call to each other loudly in the forest?

• Chemical --> Mechanical --> Sound

• Chemical --> Sound --> Thermal

• Sound --> Chemical --> Nuclear

• Mechanical --> Chemical --> Sound

Why does friction reduce energy efficiency during energy conversions?

Tags

NGSS.MS-PS2-2

What would be the energy transfer in this image?

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS2-1

What type of potential energy is stored in the sun?

Tags

NGSS.HS-ESS1-1

What science term best describes the ability to do work or make objects move?

• Energy Conversion

• Energy Transfer

• Energy Efficiency

• Energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What science term best describes the amount of useful energy compared to its total energy?

• Energy Efficiency

• Energy Conversion

• Energy Transfer

• Energy

Tags

NGSS.HS-PS3-3