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

Forces and Motion Re

vocabulary

QuestionAnswer
What is motion? a change in position
What is position? the location of an object
What is distance? the length between two places
What is speed? how fast an object moves over a certain distance
What are forces? They are all pushes and pulls. They work in pairs.
What is gravity? a pulling force between two objects
What is weight? how much pull gravity has on an object
What is friction? the force that occurs when one object rubs against another.
What is work? when a force changes the motion of an object
What is energy? the ability to do work
What is a simple machine? used to make work easier
What is a machine? a tool to make work easier
What is a lever? a straight bar that moves on a fixed point
What is a wheel and axle? a simple machine has a wheel that turns on a post
What is a pulley? a simple machine that uses a wheel and a rope
What is a ramp? another name for an inclined plane
What is an inclined plane? a flat surface that is raised at one end
What is a wedge? two inclined planes placed back-to-back
What is a screw? an inclined plane wrapped into a spiral
What is a compound machine? two or more simple machines put together
Created by: Delaware
Popular Earth 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