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
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

Apologia Physical Science Mod. 1-3a

QuestionAnswer
Atom The smallest chemical unit of matter
Molecule Two or more atoms linked together to make a substance with unique properties
Concentration The quantity of a substance within a certain volume
Humidity The moisture content of air
Absolute Humidity The mass of water vapor contained in a certain volume of air
Relative Humidity The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage.
Greenhouse Effect The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth
Parts per Million The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture
Atmosphere The mass of air surrounding a planet
Atmospheric Pressure The pressure exerted by the atmosphere on all objects within it
Barometer An instrument used to measure atmospheric pressure
Homosphere The lower layer of earth's atmosphere, which exists from ground level to roughly 80 kilometers (50 miles) above sea level
Heterosphere The upper layer of earth's atmosphere, which exists higher than roughly 80 kilometers (50 miles) above sea level
Troposphere The region of the atmosphere that extends from ground level to roughly 11 kilometers (7 miles) above sea level
Stratosphere The region of the atmosphere that spans altitudes of roughly 11 kilometers to 48 kilometers (30 miles)
Mesosphere The region of the atmosphere that spans altitudes of roughly 48 kilometers to 80 kilometers (50 miles)
Jet streams Narrow bands of high-speed winds that circle the earth, blowing from west to east
Popular Physical Science sets
Assessment Review
Review
Unit 1 Vocabulary part 1
Physical Science Quiz #1 (1-4)
Uses of Energy, Circuits, Light and Forces
Use this stack to review magnetism, electromagnets, and circuits
Physical Science Quiz #5 (1-20)
La fuerza
Unit 1 Vocabulary part 2
Forms of Energy
Unit 3 Vocabulary
Physics

 

 



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