Save
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
edit
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

Unit 1

Vocabulary

TermDefinition
wavelength the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave
frequency the number of crests of a wave that move past a given point in a given unit of time
energy the ability to do work. Energy comes in different forms: Heat (thermal) Light (radiant) Motion (kinetic)
black hole a region of space time exhibiting gravitational acceleration so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it
supernova a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass
sunspots temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas. They are regions of reduced surface temperature
elements the building blocks for all the rest of the matter in the world
solar flare sudden flash of increased brightness on the Sun, usually observed near its surface
big bang theory leading explanation about how the universe began. It says the universe as we know it started with a small singularity, then inflated over the next 13.8 billion years to the cosmos that we know today
red shift the displacement of spectral lines toward longer wavelengths
crest the maximum or highest point in a cycle of waves
trough the minimum or lowest point in a cycle of waves
fusion the process or result of joining two or more things together to form a single entity
electromagnetic spectrum the range of wavelengths or frequencies over which electromagnetic energy extends.
spectra a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength
parallax the effect whereby the position or direction of an object appears to differ when viewed from different positions, e.g. through the viewfinder and the lens of a camera
hertz the SI unit of frequency, equal to one cycle per second
Created by: afielder
Popular Earth Science sets

 

 



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