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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

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


Natural Resource Part of Earth's environment that supplies materials or necessary for survival.
Renewable Resource Natural resource such as water, sunlight, and crops.
Nonrenewable Resource Natural Resource such as petroleum, minerals, and metals.
Petroleum Nonrenewable resource formed over hundreds of millions of years.
Fossil Feul Nonrenewable resource such as coal, oil, and natural gases.
Hydroelectric power Electricity produced when energy of falling water turns blades of a turbine.
Nuclear Energy Energy produced from the sunlight apart from billions of uranium nuclei by a nuclear fission reactor.
Geothermal Energy Heat energy within Earth's crust, available only where natural geysers or volcanoes.
Created by: Ryan_Hughes