Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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's Seasons

Question/TermAnswer/Definition
Earth's rotation takes how long? 23 hours 56 min. (one day)
Earth's revolution (orbit) around the Sun takes how long? 365 1/4 days (one year)
Earth's rotation causes what? It causes day and night.
Earth's revolution (orbit) around the Sun causes what? It causes seasons.
Rotation The spinning of Earth on its axis.
Revolution One orbit around the Sun.
Earth is tilted on what? On its axis.
Earth is tilted on what angle? 23 1/2 degrees
Earth's orbit is what shape? Elliptical (oval-shaped)
How do scientists define the seasons? The position of Earth in its orbit.
Who was Galileo? An Italian astronomer who believed the Sun was at the center of the universe and other planets, including Earth, revolved around it.
What were some incorrect ideas about Earth and the Sun? That the Earth is in the center of the universe and the Sun and other planets revolved around it, that Earth's distance from the Sun causes seasons.
What marks the beginning of fall in the Northern Hemisphere? Autumnal Equinox, September 22-23
What marks the beginning of winter in the Northern Hemisphere? Winter Solstice, December 21-22
What words do equinox come from? 'Equal' and 'Night'
What words do solstice come form? 'Sun' and 'Stand Still'
Earth is rotating on this imaginary line. Its axis.
Autumnal Equinox The first day of fall in the Northern Hemisphere.
Equinox Twice a year, neither hemisphere is tilted toward the Sun.
Revolution One of Earth's trips around the Sun (one year).
Summer Solstice The beginnning of summer in the Northern Hemisphere.
Vernal Equinox The first day of spring in the Northern Hemisphere.
Winter Solstice The beginning of winter in the Northern Hemisphere.
Created by: 19lkolodchak
Popular Earth Science sets

 

 



Voices

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:
Retries:
restart all cards