Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
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

Chapter 4

8th Grade Physical Science

TermDefinition
Atmospheric Pressure Ratio of the weight of all the air above you to your surface area.
Dense Describes the measure of the ratio of mass to volume.
Elevation Height above sea level.
Fluid Any substance that can flow and take the shape of the container that holds it.
Pressure Amount of force per unit area applied to an object's surface.
Archimedes' Principle States that the weight of the fluid that the object displaces is equal to the buoyant force acting on the object.
Buoyant Force Upward force applied by a fluid on an object in the fluid.
Bernoulli's Principle States that the pressure of a fluid decreases when the speed of that fluid increases.
Drag Force Force that opposes the motion through a fluid.
Pascal's Principlle States that when pressure is applied to a fluid in a closed container, the pressure increases by the same amount everywhere in the container.
Created by: gstubblefield