Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know (0)
Remaining cards (0)
Know (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

6th Unit 4

Energy, Resources & Transformations

Biomass Material derived from living things.
Coal A hard, black solid fuel formed from the remains of plants over millions of years and extracted from the ground; a nonrenewable fossil fuel.
Energy The ability of a system to do work; required for changes to happen within a system.
Energy Resource A source or supply of energy that can be used to generate electric power to meet people’s needs.
Fossil Fuel A natural, nonrenewable fuel such as coal, oil, or natural gas formed a very long time ago from the remains of living organisms.
Geothermal Energy Heat transferred from beneath the surface of Earth and used to produce energy for human use.
Greenhouse Gases Gases in the atmosphere that trap heat within the atmosphere.
Hydropower A renewable source of energy based on the natural movement of water.
Landfill A disposal site for solid waste.
Natural Gas A gas, usually found in the ground positioned above petroleum deposits, that is burned to obtain energy; a nonrenewable fossil fuel.
Nonrenewable Not replaceable by natural means within a short period of time.
Nuclear Power Energy harnessed from the decay of uranium atoms.
Petroleum (Oil) A flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally beneath Earth’s surface; a nonrenewable fossil fuel processed to make gasoline used in vehicles.
Pollution The presence of harmful or unwanted levels of material in the environment.
Renewable Replaceable by natural means in a short period of time.
Solar Power Energy collected from the Sun and converted into usable energy; a renewable resource.
Wind Energy Energy from turbines that harness the movement of air and convert it to usable energy; a renewable resource
Created by: Kayli.Olivas



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards