Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

NOS 14

description spoken or written summary of observations
explanation interpretation of observations
international system of units internationally accepted system for measurement
accuracy description of how close a measurement is to an accepted or true value
precision description of how similar or close measurements are to each other
significant digits are the number of digits in a measurement that are known with a certain degree of reliability
law of conservation of energy nos page 17 through 24 energy can be transformed from one place to another, but it cannot be created or destroyed
energy transfer when energy moves from one object to another without changing form
energy transformation when one form of energy is converted to another form of energy
work the transfer of energy that occurs when a force makes an object move in the direction of the force work is only being done while the force is acting on the object
open system is a system that exchanges matter of energy with the environment
closed system is a system that does not exchange matter or energy with the environment
renewable energy source is an energy resource that is replaced as fast as or faster than it is used
nonrenewable energy source an energy resource that is available in limited amounts or that is used faster than it can be replaced in nature
Created by: spiveshy5637



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:
restart all cards