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
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

science chapter 2

QuestionAnswer
5 structural layers lithosphere, asthenosphere, mesosphere, outer core, inner core
energy and matter exchange open system
only energy; not matter exchanged close system
4 main spheres atmosphere, hydrosphere, geosphere, biosphere
largest ecosystem on Earth biosphere
4 cycles phosphorus, nitrogen, carbon,water
what are Earth's pole-to-pole circumference and equatorial circumference measurements? 40,007 km, 40,704 km
who was the 1st to explain effects of gravity newton
3 factors that control producers,consumers, and decomposers
what happens to energy as it passes through the ecosystem it changes form
mantle and crust lithosphere
below lithosphere less rigid layer asthenosphere
solid rock mantle below asthenosphere mesosphere
a mixture of gases that surround a planet, moon or other celestial body atmosphere
a set of particles or interacting components considered to be a distinct physical entity for the purpose of study system
the thin and solid outermost layer of the earth above the mantle crust
the central part of earth below the mantle core
the portion of the earth that is water hydrosphere
the part of earth where life exists; includes all the living organisms on earth biosphere
the layer of rick between earth's crust and core; denser than the crust mantle
the mostly solid, rocky part of earth; extends from the center of the core to the surface of the crust geosphere
Created by: aleenerbeener
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