Unit 7 Power Up Test Review

What is an energy source?

• force that opposes motion

• a natural product that can be changed into other energy forms to do work

• resource that can never be replaced

• something formed from buried plants and animals

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-PS3-5

Nuclear fission is a process where the nucleus of an large unstable atom splits into two smaller stable nuclei.

• True

• False

Tags

NGSS.HS-PS1-8

Where does nuclear energy come from?

• generators

• fossil fuels

• radioactive elements

• geothermal energy

Tags

NGSS.HS-PS1-8

What changes chemical energy from fossil fuels into electrical energy?

• generators

• fission

• power plants

• wind mills

What are fossil fuels?

• energy producers that comes from radioactive elements

• energy resources that formed from buried plants and animals that lived a very long time ago

• a natural product that can be changed into other energy forms to do work

• resources that are replaced faster than they are used

What are nonrenewable resources?

• energy sources that are replaced faster than they are used

• a natural product that can be changed into other forms of energy to do work

• energy sources that are replaced faster than they are used

• energy sources that can never be replaced or are replaced more slowly than they are used

What is a device that changes solar energy into electrical energy?

• electric generator

• wind turbine

• photovoltaic cell (solar cell)

• perpetual motion machine

What is a renewable energy resource?

• an energy source that is replaced more slowly than they are used

• a fossil fuel

• an energy source that can never be replaced

• an energy source that is replaced faster than they are used

Water on the top the earth can form lakes or rivers, these are termed ____.

• ground water

• surface water

• infiltrated water

• fresh water

Tags

NGSS.MS-ESS2-4

Geothermal energy is made from water being pumped underground near hot rock, turning it to steam.

• True

• False

Tags

NGSS.MS-PS3-4