Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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 - Unit 6

TEST 5/17 - Forces/Motion/Simple Machines

Acceleration A change in speed or direction of an object's motion
Force A push or pull
Friction Force that resists motion, relative to each other, of objects that are touching
Speed The change of position during a unit of time
Velocity The speed and direction of an object
Simple Machine A machine with few or no moving parts to make work easier
Wedge Two inclined planes placed back to back
Fulcrum The fixed point on a lever
Pulley A wheel with a line around it
Lever A bar that pivots on a fixed point
Screw A post with threads wrapped around it
Inclined Plane A slanted surface
What is the measurement of the force of gravity on an object? Weight
Two friends exert a force on each other's hands and the hands don't move. Describe the forces The forces are balanced
A heavy ball and a light ball are rolling at the same speed on the same surface. Why will the heavy ball be harder to stop? It has greater momentum
What simple machine raises a flag on a flag pole? Pulley
What other kind of simple machine do you need to make a wedge? Inclined plane
What type of simple machine is a fishing rod? Lever
Which part of a fishing rod is a fulcrum? Your hand holding the rod
Which types of simple machines change the direction of a force? Wedge, inclined plane, pulley
Screws have threads that are simple machines. What kind of machine are the threads on screws? Inclined planes
If someone is pushing a box across the floor and someone else is pushing on the box with equal force, but in the opposite direction - what is the outcome? The box stays in the same place
Which simple machines are also an inclined plane? A screw, wedge
What simple machine opens draperies or blinds when you pull a cord? Pulley
Which simple machine would you use to slice celery? Wedge
Created by: she4thgrade