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


Chapter 10, Lesson 3

Star a huge ball of superheated gases. The sun is ours at the center of our solar system.
Sun largest object in solar system, the source of most energy on Earth, life could not exist without it
Sun made up of gases (mostly hydrogen and helium)
Sunspots these (dark spots) and solar flares (hot fountains of gas) appear on the sun and last only a few days
Alpha Centauri the three stars closest to our solar system make up this
Color this tells us about a star's temperature:
Red color that represents the coolest star
Yellow color that represents in between hottest and coldest star (the sun is an example)
Blue Color that represents the hottest star
Constellations groups of Stars are called these. They form imaginary pictures in the sky.
Names ancient people gave constellations these
Sailors they used these patterns (constellations) that served as landmarks in the sky
Milky Way the galaxy in which our solar system lies.
Galaxy a huge system of gases, dust, and billions of stars. We have a million of these in our universe.
Universe everything that exists in space.
Galaxies can be spiral shaped, look like balls or eggs, or have no regular shape
East The sun appears to rise in the __________ and set in the west, but the Earth is actually moving
Seasons caused by the Earth revolving around the sun
Created by: morrismrb
Popular Science 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