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.
Don't know
remaining cards
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:
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 12 vocab

chapter 12 vocabulary for coach McCarty

Electromagnetic waves made by vibrating electric charges and can travel through space where matter is not present.
Radiant energy makes a fire feel warm and enables you to see.
Photon energy depends on the frequency of the waves.
Radio waves are low-frequency electromagnetic waves with wavelengths longer than about 1mm.
Microwaves radio waves with wavelengths of less than about 30cm.
Infrared waves A type of electromagnetic wave with wavelengths between about 1mm and about 750 billionths of a meter.
Visible light The range of electromagnetic waves that you can detect with your eyes.
Ultraviolet waves Electromagnetic waves with wavelengths from about 400 billionths to 10 billionths of a meter.
X Rays Wavelengths between about 10 billionths of a meter and 10 trillionths of a meter.
Gamma rays Electromagnetic wave with no mass and no charge that travels at the speed of light, and is usually emitted with Alpha or Beta particles from a decaying atomic nucleus.
Carrier wave The specific frequency of the electromagnetic wave that a radio station is assigned to.
Cathode-Ray tube A sealed vacuum tube in which one or more beams of electrons are produced.
Transceiver Transmits one radio signal and receives another radio signal from a base unit.
Global positioning System (GPS) A system of satellites, ground monitoring stations, and receivers that determine your exact location at or above Earth's surface.
Created by: Katwill678