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

Science Test

Topographic maps, Fossil Fuels

A ________ is any material used to satisfy a need. Resource
Most energy resources used to generate electricity are ____________. Nonrenewable
Nonrenewable resources are... Used faster than the Earth can replace them
Fossil fuels are made of the... Remains of dead plants and other organisms
Fossil Fuels are formed over _________ of years Millions
The most prominent fossil fuels are ___, _______ ___, ____ Oil, Natural Gas, Coal
___ makes gasoline for cars Oil
_______ ___ heats homes. Natural Gas
____ generates electricity. Coal
____is the most abundant fossil fuel, a rock that contains at least 50% plant remains. Coal
Hydrocarbons can be extracted from coal to form liquid and gaseous _________ _____. Synthetic Fuels
Over millions of years, the buried remains of microscopic organisms form ___ and _______ ___. Oil and Natural Gas
___ is a thick black liquid hydrocarbon. Oil
_______ ___ is a gaseous hydrocarbon that often forms with ___, but above it, since _______ ___ is a lighter molecule. Natural Gas...Oil...Natural Gas
Americans obtain most of their energy from ___ and _______ ___ Oil and Natural Gas
Created by: nclaxrulz