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

Waves

Study for test on Electromagnetic and Mechanical Waves

QuestionAnswer
What are the electromagnetic waves with the highest frequency? gamma rays
Electromagnetic energy is classified by the length and ___________ of its wave. frequency
Which form of electromagnetic energy has the shortest wavelength? gamma rays
What is frequency? number of waves in one second
What is wavelength? distance from highest point of one wave to the highest point of the next wave
Microwaves, infrared waves, and radio waves are examples of what type of wave? electromagnetic waves
Electromagnetic waves travel at the _________. speed of light
What type of waves do not require a medium to travel in? electromagnetic waves
What do radio waves transfer between a cell phone and a cell tower? energy
In a __________, electromagnetic waves travel at half the speed of light. vacuum
Name the visible spectrum of light from the longest to shortest wavelength. red, orange, green, blue, indigo, violet
Light will travel fastest in a _____________. vacuum
A wave transfers ____________. energy
An electromagnetic wave travels from the sun through space at the _________________. speed of light
Gamma rays have ______ _______ than microwaves do. more energy
__________ is made up of visible energy and not visible energy. sunlight
How is the visible energy from the sun different than the non-visible energy? different wavelengths
If light shines on a piece of paper, the light is _____________. reflected
You can see most objects because ______________. the light reflects off them.
The ________ of an electromagnetic wave determines the color of the light. frequency
What color tee-shirt will reflect the most light? white
A rainbow is cause by ________________. refraction
Electromagnetic waves can travel with a __________. medium
What does green glass appear green? It reflects green light.
What type of waves require a medium? mechanical waves
What proof are SETI scientists looking for so they know if there is actually another civilization outside of our solar system? Non-natural signs like mathematical, repetitive, periodic pictures
wavelength times frequency equals ____________ speed
Radio waves have a relatively ________ frequency and _______ wavelength. low, long
Name three types of electromagnetic waves that have a lower frequency than visible light. Radio, microwaves, infrared
Name three types of electromagnetic waves that have a higher frequency than visible light. ultraviolet, x-ray, gamma ray
In what type of wave is the motion perpendicular to the direction of travel? transverse
In what type of wave is the motion parallel to the direction of travel? longitudinal
Created by: cnorthrop