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

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.

Term

Matter
click to flip
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know

Term

Mass
Remaining cards (20)
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

Science

Properties and composition of air QUIZ

TermDefinition
Matter something that is made up of atoms and has both mass and volume
Mass the amount of matter that makes up an object
volume the amount of space an object takes up
density the amount of mass in a given volume (how light or heavy something is for its size)
air pressure the weight of air in the atmosphere exerting a force on a surface
How are mass and volume alike? in an object they never change
Units used to measure mass grams, ounces, pounts, tons
Which property of matter changes depending on the gravitational pull? weight
What determines an object's ability to float? density
atmosphere the envelope? of gases that surround the planet
weather condition of the earth's atmosphere at a particular time and place
atom smallest unit of a chemical element that can exist by itself
molecule made up of two or more atoms
earth's atmosphere is made up of these 78% of nitrogen, 21% of oxygen and 1% of carbon dioxide, water vapor, other gases and participles
The properties of air are... mass, volume, density and pressure
Everything around us is made of matter
altitude the height above sea level
As you go up in altitude, temperature... decreases
As you go up in altitude, air density... decreases
how did earth get its oxygen? life, which first appeared in the form of bacteria
How does the atmosphere make Earth suitable for life? The atmosphere contains oxygen and other gases that living things need. The atmosphere also keeps Earth's surface warm and protects Earth from dangerous radiation and meteoroids.
Created by: EmmaBC
 

 



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