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

chapter 3

lesson 1 and 2

TermDefinition
Matter All material in the universe that has mass and occupies space
Atoms are the basic units of matter.
Element is a chemical substance with a given set of properties that cannot be broken down into substances with other properties
nucleus Every atom has a NUCLEUS ,or central core,containing particles called protons and neutrons.
Molecule is a combination of two or more atoms of the same type or of different types joined by covalent bonds
Compound A substance composed of atoms of two or more different elements
Hydrocarbon are organic compounds containing only hydrogen and carbon
Solution A mixture in which all the ingredients are evenly distributed
macromolecule Proteins,nucleic acids,carbohydrates,and lipids
Protein are polymers that serve many functions in organisms
nucleic acids are macromolecules that direct protein production
carbohydrate are polymers that consist of atoms of carbon, hydrogen,and oxygen
lipid are a chemically diverse group of macromoles
Feedback loop A circular process that describes how an event is both a cause and effect in the same system;can be a positive feedback loop or a negative feedback loop
erosion The remover of soil by water,wind,ice,or gravity
geosphere All the rock at and bellow Earths surface
biosphere The earth and all of its organisms and environments
atmosphere A thin layer of gases that surrounds Earth
hydrosphere All of the water-salt water and fresh water.in the form of liquid,ice,or vapor-above and below Earths surface and in the atmophere
Created by: Jamierosas
 

 



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