Energy Conversion Review

When a frog eats an insect and then hops off, which energy conversions are taking place

• chemical to mechanical

• mechanical to chemical

• chemical to electromagnetic

• electromagnetic to chemical

Tags

NGSS.MS-LS1-7

Students are using the set up for a lab. How could they increase the potential energy of the marble?

• switch the ruler to a wooden one

• push the marble down the ramp

• use a stone instead of a marble

• add more books beneath the ruler

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?

• Potential and kinetic energy both decrease

• Potential increases and kinetic decreases

• Potential and kinetic energy both increase

• Potential decreases and kinetic increases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

• A

• B

• C

• D

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NGSS.MS-PS1-4

NGSS.MS-PS1-6

NGSS.MS-PS3-3

A ________ is a device that spins as steam (heat) flows and changes it into kinetic energy.

• cooling tower

• boiler

• generator

• turbine

Tags

NGSS.MS-PS3-3

A _______ is a device that changes kinetic energy into electrical energy.

• magnet

• generator

• turbine

• boiler

The process of burning fuel to produce heat and light.

• turbine

• combustion

• cooling tower

• magnet

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

A ________ stores chemical energy and can convert that energy into electrical energy.

• magnet

• cooling tower

• book

• battery

Which action represents a conversion of chemical energy into mechanical energy? 

• Pancakes reheated in a microwave oven 

• Soup beginning to boil on a stove 

• A grasshopper jumping from a predator 

• Sunlight melting an icicle 

Turning on the radio is what type of energy conversion?

• sound to light

• electrical to sound

• electrical to light

• light to electrical