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.
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

Space/Astronomy 2

Science CRCT Review

Why does the moon appear to change shape and what causes the phases of the moon? It revolves around the earth, the moon's actual shadow causes the phases of the moon
What are two things that affect the appearance of a shadow The position of the light source Position of the object itself
Where is the Asteroid Belt located and what does it separate? Between Mars and Jupiter, separates the inner and outer planets
What are the three types of galaxies? Irregular Elliptical Spiral
What are the two types of tides? Spring-when the sun, moon, and Earth are aligned Neap- when the sun, moon, and Earth are at a 90 degree angle
What is a light year? The distance light travels in a year
What are quasars? Star-like-objects, brighter than stars
What are pulsars? Stars that pulsate, when this happens the star appears to be dimming and becoming brighter as it pulsates
What is an electromagnetic spectrum? The arrangement of electromagnetic waves Ex- radio waves, x-rays, and microwaves
What are two types of telescopes that use visible light? Refracting- lenses Reflecting- lenses and mirrors both to view distant objects
Created by: ms_nikki_panda