Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
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


The science vocab need to know

Rotation - the spin of an object in space ( Note: Period of rotation is the amount of time it takes for an object to make one complete rotation.)
Revolution – the elliptical motion of a around another object.) as it travels around another more massive body in space (Note: Period of revolution is the amount of time it takes for one object to revolve
Orbit – the elliptical PATH an object takes in space while revolving around another object
Gravity -attracting force due to mass or rotation
Atmospherre – mixture of gases that surrounds a planet
Sun – a medium sized star; the center of our solar system
Planet – body that orbit around the sun or a star and does not produce its own light
Terrestrial Planet – a small, dense, rocky planet similar to Earth (Inner planets)
Gas Planet – a large, gaseous planet of the outer solar system with no known solid surface (Outer planets)
Natural Satellite – smaller body that orbits around a larger body
Artificial Satellite – any human made object placed in orbit around a body in space
Comet – a small body of ice, rock, and cosmic dust loosely packed together
Asteroid – a small, rocky body that revolves around the sun
Meteoroid - a very small, rocky body found in space HINT: mini asteroid
Meteorite - a meteoroid that reaches Earth’s surface without burning up completely HINT: It 16. meteorite – a meteoroid that reaches Earth’s surface without burning up completely HINT: It
Meteor – a bright streak of light caused when a meteoroid or comet dust burns up in the atmosphere NOTE: Many people call this a “shooting star”, but it is not)
Thrust – the force that accelerates a rocket
Orbital Velocity – the speed and direction a rocket must have in order to orbit Earth
Escape Velocity – the speed and direction a rocket must have in order to completely break away from a planet’s gravitational pull
Centripetal Force – the force that causes an object to follow a curved path
Moon – a natural satellite of a planet (Note: satellites are natural or artificial bodies that revolve around more massive bodies such as planets)
Created by: steven03
Popular Standardized Tests sets




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