Oceanography Unit Review Read the question Write your answer on the white board Write ONLY the answer

Question #1 What kind of particle can be lifted by wind?

Answer: Dust

What is the movement of a particle by a series of “jumps”? Question #2: What is the movement of a particle by a series of “jumps”?

Answer: saltation

Question #3: What is sand made of?

Answer: quartz

Question #4: What is it called when wind removes the top layer of fine, very dry rock or soil particles, leaving only large rocks behind?

Answer: deflation

What are mounds of wind-blown sand? Question #5: What are mounds of wind-blown sand?

Answer: dunes

Question #5.5 What is a thick yellowish deposit of wind-blown dust called?

Loess

What is it called when waves or rocks break up other rocks? Question #6: What is it called when waves or rocks break up other rocks?

Answer: abrasion

What kind of weathering occurs when salt and air react with rocks? Question #7: What kind of weathering occurs when salt and air react with rocks?

Answer: chemical

Some beaches are black because the source rock is what? Question #8: Some beaches are black because the source rock is what?

Answer: Volcanic rock

The area people use for recreation is called what? Question #9: The area people use for recreation is called what?

Answer: berm

Waves that run parallel to the shore are called? Question #10: Waves that run parallel to the shore are called?

Answer: longshore

The sea is currently rising at a rate of what? Question #11: The sea is currently rising at a rate of what?

Answer: 1 mm per year

Question #12: What is it called when the mouth of a river gets submerged by ocean water?

Answer: estuary

Question #13: What is brackish water?

Mix of saltwater and freshwater Answer: Mix of saltwater and freshwater

Question #14: What are the long, narrow offshore islands that run parallel to the shore called?

Answer: Barrier islands

What is the body of water between the barrier islands and the shore? Question #15: What is the body of water between the barrier islands and the shore?

Answer: lagoon

What are the conditions that animals in a coral reef need? Question #16: What are the conditions that animals in a coral reef need?

Answer: Warm, shallow, water

How much of our planet is water? Question #17 How much of our planet is water?

Answer: 71%

What are the four major oceans? Question #18: What are the four major oceans?

Pacific, Atlantic, Indian, Arctic Answer: Pacific, Atlantic, Indian, Arctic

What is the study of the physical characteristics, chemical composition, and life forms of the ocean called?

Oceanography

What are underwater research vessels called?

Submersibles

What do scientists use to map the ocean floor? (what type of system)

SONAR

What does SONAR stand for?

SOund Navigation And Ranging

What is the big, flat part of the ocean floor called?

Abyssal Plain

What is an underwater mountain range called?

Mid-Ocean Ridge

What is the feature formed on the bottom of the ocean floor when one plate goes under another plate?

Trench

What is the part of the ocean that is the boundary between continental crust and oceanic crust? (where continental crust “becomes considered” oceanic crust)

Continental slope

What is an underwater volcano called?

Seamount

What are the three most common gases dissolved in the ocean water?

Nitrogen, Oxygen, and Carbon Dioxide

Where is the highest salinity ocean water?

At the equator

What is the zone of ocean water where the temperature drops drastically from warm to cold?

Thermocline

What are the two things that affect density?

Salinity and Temperature

Ocean water has the color it does because of its ability to _______________ .

Reflect light

What is a steady movement of water in one direction called?

Current

What is the driving force of ocean currents?

Wind

What are the three things that affect currents?

Wind, rotation of Earth, shape of continents

What is the name of the effect of the currents that occurs because of Earth’s rotation?

Coriolis Effect

Where do warm currents flow?

AWAY FROM the equator

Where is the crest of a wave?

At the top

Where is the trough of a wave?

At the bottom

What is it called when water hits the shore and is carried back to the deep ocean by an irregular current?

Undertow

What is the swift movement of water caused by the return of water to the ocean through channels in a sandbar?

Rip current

What are the daily changes in the level of the ocean surface?

Tides

Gravitational pull is strongest on which side of the earth?

The side facing the moon

What is the difference between the levels of the high and low tides at specific locations?

Tidal range

What kind of tide occurs during the new and full moon? (when the sun, moon and earth are aligned)

Spring tides

What kind of tide produces the smallest tidal range?

Neap tides

Which direction does a flood tide flow?

TOWARD the shore

This concludes today’s review activity. Have fun studying!!