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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
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

Vocab Sheet 3 Scienc

Mrs. Tharrington Machines Vocab 3rd grade Science

Simple Machine a machine with few or no moving parts
Compound Machine a combination of two or more simple machines
Load The object you are trying to move
Lever a stiff bar that moves about a fixed point (fulcrum). It is used to push, pull, or lift things.
Fulcrum The part the stiff bar rest on. It is here the lever pivots
Wedge wide at one end and pointed at the other to help cut or split other objects.
Screw an inclined plane wrapped around a cylinder of cone. A common use is to hold objects together
Inclined Plane a flat surface that is raised so one end is higher than the other. It helps move objects up or down
Wheel and Axle consists of a rod attached to a wheel. It makes it easier to move or turn things
Pulley a wheel that has a rope wrapped around it. They are used to lift heavy objects by changing the direction or amount of the force
Created by: svjenkl