Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (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

Force & Energy

Force A push or pull on an object that may change the motion of the object
Motion Any change in the location of an object
Friction A force that resists motion when two surfaces are touching each other
Gravity A force that pulls an objects toward one another
Air Resistance The frictional force air exerts against a moving object
Distance How far an object has travelled
Energy The ability to do work
Potential Stored energy or energy of position
Kinetic Energy of motion
Sound Energy from vibrations in matter
Electrical Energy of moving electric charges
Electric Circuit The flow of electricity
Light Energy in the form of waves that can travel through empty space
Chemical Energy stored in chemicals such as food and batteries
Mechanical Energy of motion
Thermal Energy of heat
Circuit A complete path that an electric current can flow through
Prism A triangular glass bar that separates white light into the colors of the rainbow
Lens A curved piece of clear glass or plastic that bends or refracts light
Reflection The bouncing of light waves off of a surface
Refraction The bending of light waves as they move through one material into another
Shadow A dark area that is formed when light waves cannot pass through them
Created by: rachelwolf
Popular Science sets




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