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.
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

year 7 sci review

science study

newtons used to measure force 1N - 10g
balanced forces Balance forces are two forces acting in opposite directions on an object, and equal in size
gravity a no-contact force that pulls everything to the earth core and the largest mass/ earth
contact force a force that has to touch the object to effect it
friction the resistance that one surface or object encounters when moving over another.
spring balance a balance that measures weight by the tension of a spring
weight mass times gravity
spring tide when the moons gravity and the suns gravity pulls on the earths water
earths rotation as the earth spins on its axes
probe - telescope probe - moves away from the earth telescope - stays in earth obit
buoyancy a force that acts in water and pushes objects upwards
solar eclipse when the moon travels in between the sun and the earth
static electricity is the build up of positive and negative on two objects
heliocentric the sun at the centure of the solar system
geocentric the earth at the centure of the solar system
mitochondria an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
cell wall the wall that holds up the the cell membrane
microscope a tool used to look at object with increased view
Created by: harlan



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