Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
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 18 Review

Physical Science

Question/TermAnswer/Definition
Alpha Particle Composition and Strength Positively charged, two protons, two neutrons, weakest of nuclear radiation, can be stopped with paper.
Beta Particle Composition and Strength Composed of one electron, stronger than alpha particle and faster, foil to block.
Gamma Ray Composition and Strength Strongest of nuclear radiation, electromagnetic waves, concrete or lead to block, and no mass or charge.
Transmutation Process of one element changing to another element through nuclear decay.
Nuclear Fusion Nuclear reaction where low mass nuclei fuse to form large mass nuclei.
Strong Force Protons and Neutrons are attracted to each other because of this force.
Radioactivity Process of nuclear decay.
Chain Reaction Ongoing series of fission reactions.
Tracer Any radioisotope that is used to detect changes in bodily functions.
Critical Mass Amount of material required for each fission reaction to produce another.
Uranium Discovered By Henri Becquerel.
Two Elements Discovered By Henri Becquerel and Marie Curie Polonium and Radium.
Energy in Sun Nuclear Fusion.
Thyroid Cancer Treatment Element Iodine-131.
83 or more Atomic Number Radioactive.
93 or more Atomic Number Synthetic.
External Ionizing Radiation Element Cobalt-60.
Elements Used in Medicine Iodine-131, Carbon-11, Sodium-24, Cobalt-60, Iridium-192, and Gold-198.
Created by: Destroy