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
share
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

Ch. 20 Solar System

Formation of the Solar System

QuestionAnswer
Planetary Orbits are shaped like what? ellipses
This ordinary term is correctly defined as 'what is the average kinetic energy of particles in an object?' temperature
These imperfections on the sun's surface, discovered by Galileo are called what? Sunspots
Light takes how long to travel from the sun to Earth? 8.3 light minutes
The visible layer of the sun? Photosphere
To find a planet's 'period of revolution' you must know it's? orbit
Which of Kepler's laws gets credit for 'gravitational assist?' Kepler's 2nd Law
How long does a sunspot cycle usually take? 11 years
Path of a body around another body is called a what? orbit
Giant eruptions on the Sun's surface are what? Solar Flares
The resistance of an objects speed or direction until acted upon by another body is call what? inertia
Where does nuclear fusion occur? Core of the sun.
A nebula collapses because of what force? Gravity
Very thick, dense and light takes up to a million years to escape. Radiative Zone
This layer can only be seen during a total solar eclipse, what is it? chromosphere
Hot gasses rise, cool down, heat up and rise, cool down and sink, this occurs in what layer of the sun? Convective Zone
After the nebula collapses, and the center gets hotter, pressure increases and forces begin working, what is formed? Sun
The outer atmosphere of the sun is called what? corona
Planets which are very large and formed of gas, with possible solid cores are what type of planet? Outer Planet
One complete trip of a body around another body is called what? revolution or period of revolution
Spin of a body on it's axis is called a what? rotation
Planets which are small, solid and rocky are called what kind of planet? Inner Planet
Two key ideas explain why Earth has seasons, what are they? Tilt and Revolution
What name is given to small molten rock bodies that develop at the beginning of a star system? Planetesimals
The nebula's balance between gravity and inner pressure ends with the nebula collapsing and spinning which direction? counter clockwise
As temperature increases so does what? pressure
Created by: Christine160
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