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
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

106 E1

QuestionAnswer
What is matter? Anything that has mass and occupies space (measured in kilograms).
What is energy? The ability to do work.
What is kinetic energy? Energy of motion.
What is potential energy? Stored energy.
What is radiation? The transfer of energy through space or matter.
What is ionization? The removal of an electron from an atom, creating a charged ion.
What is the difference between radiation and ionization? Radiation is energy transfer; ionization is when that energy removes an electron.
What is the formula for work? Work = force × distance.
What is velocity? Speed with direction (measured in m/s).
What is ALARA? As Low As Reasonably Achievable
What is the most common natural source of radiation? Radon
What are the three subatomic particles and their charges? Proton (+), neutron (0), electron (−).
What determines the identity of an element? The number of protons (atomic number).
What is an isotope? Atoms with the same number of protons but different numbers of neutrons.
What is half-life? The time it takes for a radioactive substance to decrease to half its original amount.
Created by: cathrvn
 

 



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