Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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

Alternative Energy

global warming and alternative energies

What energy comes from the heat deep within the earth? geothermal power
What is energy from the sun? solar energy
What is it called when gases are trapped within the earth's atmosphere? greenhouse effect
What contributes to global warming because there are fewer trees to take in carbon dioxide? deforestation
What are coal, oil and natural gas examples of? fossil fuels
What energy uses water to spin turbines and generators to create electricity? hydroelectric power
What is the movement of air that converts moving(mechanical) energy into electricity? wind energy
What device converts solar energy into electricity? photovoltaic cell
What are resources that can be replaced easily? renewable resource
What are resources that are not easily replaced? nonrenewable resource
What is the overall heating of the earth's average temperature? global warming
What is the time period when factories, trains and machines first began to use fossil fuels? industrial revolution
hydrogen cell
alternative fuels
Created by: bkapala