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

Outer Space

Phases of the Moon Eclipses Tides Etc...

What does axis mean The imaginary line of which a body rotates
What does rotate mean To move in a circle. To spin or turn around an axis
What does revolve mean To follow a path in orbit around a central object
What are moon phases The appearance of the moon changes from night to night as it revolves around the earth
What's a lunar eclipse When earth is between the sun and the moon covering it.
Whats a solar eclipse A solar eclipse occurs when the moon passes between the sun and earth casting a shadow on earth
What are tides Tides occur due to the gravitational pull of the sun and moon
What are neap tides When the sun and moon are at a 90 degree angle with each other. During this time tides have the smallest range
What are spring tides When the sun and moon are in a strait line with each other. During this time earth experiences the highest high tides and the lowest low tides due to the gravitational pull of the sun and moon
Stars planets solar systems galaxies universe
Why does the moon have different phases The moon shines by reflecting sunlight to the earth because the moon revolves around the earth. Different parts of the moons illuminated and dark sides face the earth when it is at different parts in orbit
What are the different phases of the moon There are 8. New moon waxing crescent first quarter waxing gibbous full moon waning gibbous third quarter waning crescent
How long does it take the moon to make one complete cycle 29 1/2 days
What happens during a lunar eclipse When the earth is directly between the sun and moon it cast a shadow on the moon which is seen from the earth
What happens during a solar eclipse When the moon is directly between the earth and the sun it casts a shadow on earth and blocks our view of the sun
What are rides and why do they occur Tides are rise and fall of the surface height of large bodies of water
How do the relative locations of the sun moon and earth affect tides Tides are caused by the gravitational pull of the sun and moon on earth
The moon has a stronger gravitational pull than the moon
Created by: keira