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 B / Ch. 4

Science Terms / Unit B / Ch. 4

TermDefinition
How to measure angles Angles are measured in units called degrees.
Photon a bundle of energy that is released when an atom loses some energy
frequency the number of waves (crests or troughs) that pass a point in a given amount of time
amplitude the distance between a wave's mid-point and its crest or trough
transverse wave a wave in which the crests and troughs move at right angles to the direction of the wave's travel
convex mirror a mirror whose center section curves toward an object
concave mirror a mirror whose center section curves away from an object
refraction the bending of a light wave as it moves from one material to another
focal point the point at which light rays meet when reflected or refracted
laser light light of a single wavelength with all the waves lined up
the three primary colors of light red, blue,yellow
opaque does not allow light to pass through
transparent allows light to pass through so that objects on the other side can be seen
compressional waves wave in which matter vibrates in the same direction as the energy waves traveling through it
intensity a measure of the amount of energy in a wave
How to measure intensity Intensity can be measured in units call decibels
sonar a device which uses sound waves to measure distance
music pleasant sound with regular wave patterns
noise sound with no regular wave pattern
octave a musical sequence in which the top note has twice the frequency of the bottom note
Created by: lleahy
Popular Physical 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