Currents
Waves
Tides
Ocean
Floor
100
The middle layer of the ocean where the temperature drops fast with depth.
What is the thermocline?
100
A system that uses sound waves to measure distance and locate objects.
What is sonar?
100
The primary force causing our tides.
What is the moon.
100
Ocean temperature changes this way with depth.
What is how ocean temperature becomes cooler?
100
This causes rip currents to form.
What are high winds or strong waves?
200
Surface ocean currents are caused by this.
What is wind?
200
A wave created by an earthquake or volcanoes is called this.
What is a tsunami.
200
During these tides the sun, moon, and Earth are aligned.
What are Spring Tides?
200
This brings nutrients up from the bottom of the ocean to the surface.
What is upwelling?
200
This best describes the ocean floor.
What is many features, like mountains, volcanoes and trenches?
300
El Nino is caused by changes in this.
What are currents.
300
As a wave passes, water particles move this way.
What is in a circular motion.
300
The difference in height between high tide and the next low tide.
What is tidal range?
300
During these years, weather patterns change around the planet.
What is El Nino?
300

The gradually sloping land that lies submerged around the edges of a continent.

What is continental slope?

400
Deep ocean currents are caused by this.
What is changes in temperature or salinity.
400
Because waves rarely meet the land head-on, these occur along almost every shore.
What are long shore currents.
400
The gravity from the sun and from the moon combine to pull on Earth’s waters from the same direction, results in this.
What is Spring Tide?
400
The measure of the amount of dissolved salt in the water.
What is salinity?
400
The wide, flat area of the ocean floor that is covered with a thick layer of sediment.
What is an Abyssal Plain?
500

Why the currents don't move in a straight line.

What is the Coriolis Effect?

500
Most ocean waves are the result of this.
What is the transfer of energy from the wind to the water?
500
This describes a longshore current.
What is a current that runs parallel to the shore?
500
The most useful way to explore a deep and difficult-to-reach section of the mid-ocean ridge.
What are robots with cameras?
500

Warm currents come from this.

What is the equator?

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