Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Energy Test

Science: Energy Test

QuestionAnswer
When objects of different masses are hanging on a string, what combination creates the greatest gravitational potential energy? high height and high mass
What is the Law of Conservation of Energy? Energy cannot be created or destroyed but it can transfer.
What are renewable energy sources? wind, solar, hydro, tidal
What energy transformation takes place once the hood of the car becomes hot after driving for awhile? kinetic to thermal energy
What does NOT contribute to the formation of fossil fuels? dead plants, heat and pressure, time
When you open the door to a refrigerator for a minute, what happens? Thermal energy in the air outside the refrigerator goes inside the refrigerator.
What energy transformation takes place when a light is turned in? electrical to thermal to light
Why do we NOT use solar energy more often as an energy source? not all areas get the same amount of light, equipment is expensive, storing energy is hard
The efficiency of an average gasoline powered car is about 20%. What does this mean? The car uses 20% of the energy stored for motion.
What energy transformation takes place when a radio is plugged in and turned on? electrical to sound waves
What are nonrenewable energy sources? nuclear, petroleum, coal, oil
What is potential energy? stored energy
What is the source of all energy sources? nuclear energy from the sun
What energy transformation takes place when a volleyball player hits the ball? chemical potential to thermal to kinetic
What type of energy is a skier at the top of a mountain? P.E. - gravitational potential energy
What type of energy is gasoline in a stored tank? P.E. - chemical
What type of energy is a burning candle wick? K.E. - thermal and light
What type of energy is a spring in a pinball machine before it is released? P.E. - elastic
What type of energy is an ice cub sitting on the table melting at room temperature? K.E. - thermal
Created by: white_amanda
Popular Science sets

 

 



Voices

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:
Retries:
restart all cards