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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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

Earth in Space

Made by Breana, SETH, and Bryant(:

What is Astronomy? the study of the moon, stars and other objects in space
How does Earth move through space? rotation and revolution
How does Earth follow it's path? The Orbit:)
Why does Earth have seasons? It is tilted on a 23.5 degree axis!
What is a solstice? When the sun is farthest north or south of the equator
What is an equinox? 12 hour day and 12 hour night
What does equinox mean? equal night.
What is rotation? The spinning of Earth on its axis
What is the movement of one object around another? Revoltion
What is a calendar? system of organizing time that defines the begnning, length, and divisions of a year.
What is a spring tide? a tide with greater difference between consecutive low and high tides.
Who made the telescope in 1609? Galileo Galilei
What are the three features on the moon surface. Maria, Highlands, and Craters
What are round pits on the surface of the moon? Craters
What are the craters on the moon caused by? Impacts of metors
What is a dark, flat area that was formed by huge lava flows? Maria
How did Galileo infer that the moon has highlands? He saw light color features
The moon's average density is _____ to the density of the Earths core. 1/4
Created by: mrshultz