Unit 7 – Oceans Topography, Currents, Salinity Review

These flashcards cover key concepts related to ocean topography, currents, salinity, tides, and ocean waves as presented in the review guide.

The Ocean covers _% of the Earth.

71

Oceanography is the study of the , , and properties of the ocean.

physical, chemical, biological

List the five major oceans: 1. 2. 3. 4. 5. .

Arctic, Pacific, Indian, Southern, Atlantic

As the depth of ocean water increases, the temperature , the pressure , salinity , and the amount of light .

decreases, increases, increases, decreases

Density is the amount of in a given space (volume).

matter (mass)

Salinity is the content of a body of water.

dissolved salt

Evaporation salinity.

increases

What is a tide? The periodic rise and fall of the level in the ocean.

water

Causes of tides include the gravitational pull of the and .

Moon, Sun

How many high tides and low tides occur per day? high tides and low tides.

2, 2

What is a spring tide? The tide with the greatest difference between consecutive high and low .

tides

Spring tides occur when the sun, earth, and moon are in .

line

What phase(s) is the moon in during a spring tide? Moon and Moon.

full, new

What is a neap tide? The tide with the least difference between consecutive high and low .

tides

How often does a neap tide occur? In an average month there are neap tides.

two