Save
Upgrade to remove ads
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

JC Space

Space

QuestionAnswer
What is astronomy? the study of the universe and everything in it
What is the universe? made up of everything that exists including planets, stars, galaxies and all forms of matter and energy
What is the big bang? an idea that scientists use to explain how our universe was formed
Is our universe expanding? yes
what is a galaxy? a large group of stars, dust, gas and dark matter held together by gravity
Name the galaxy we live in The Milky Way
What is a celestial body? any natural body outside of the Earth’s Atmosphere e.g. planets, stars, moons, comets and asteroids
List 3 requirements needed to be considered a planet 1. is in orbit around a star 2. it has enough mass to be a nearly round shape 3. Enough gravity to clear any space debris in its orbit
What is a moon? A natural satellite which orbits a planet
What is the geocentric model of the universe? One where the earth is at the center of the universe
What is the heliocentric model of the universe? One where the sun is at the center of the universe
Is the heliocentric or geocentric model a correct representation of our universe? Heliocentric
Define a star a ball of heat-radiating gas that is held together by gravity
What is hydrogen fusion? When two hydrogen's join together
In order, light the phases of a stars life Yellow dwarf, red giant, white dwarf, black dwarf
What is a light year? a distance that light travels in on year
What is an asteroid? lumps of rock that orbit the sun
What is a comet? A comet is a small lump of ice and dirt that orbits the sun.
Created by: aileenwa
Popular 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