Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

PCS Earth Science

Chapter 15 Vocabulary - Oceanography

oceanography study of Earth's oceans
side-scan sonar a technique that directs sound waves to the sea floor at an angle, so that the sides of underwater hills and other topographic features can be mapped
sea level ultimate base level; the average level of the ocean's surface at any given time
salinity the total amount of dissolved salts in a water sample
temperature profile plots changing ocean water temperatures against depth, which varies, depending on location and season
thermocline a layer in a large body of water, such as a lake, that sharply separates regions differing in temperature, so that the temperature gradient across the layer is abrupt (upper layer mixed by wind - epilimnion, deep layer not mixed - hypolimnion)
wave horizontal distance between the crests or between the troughs of two adjacent waves
crest highest point of a wave
trough lowest point of a wave
breaker collapsing ocean wave that forms in shallow water and breads onto the shore
tide the periodic rise and fall of the level of water in the ocean
density current circulation pattern in the ocean that forms when a mass of more dense seawater sinks beneath less dense seawater
surface current a horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface
upwelling the movement of deep, cold, and nutrient-rich water to the surface
Created by: Ms.Sala
Popular Earth Science sets




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:
restart all cards