Ocean Floor Features
Matter and Density
Ocean Movement
Ocean Zones
Food Web
100
These are large bodies of salt water surrounding great land masses.
What are oceans?
100

This is the smallest piece of an element.

What is an atom?

100

These are the bulging of the Earth's ocean waters due to the gravitational pull of the sun and the moon.

What are tides?

100
These are the three zones of the ocean.
What are the sunlight zone, the twilight zone, and the midnight zone?
100

This organism eats all the dead matter and waste in the ocean.

What is a decomposer?

200
This is the transition area where the continent ends and the ocean floor begins.
What is continental rise?
200
This is the definition of matter.
What is anything that has mass and takes up space?
200

These type of currents are caused by wind and have a horizontal movement.

What are surface currents?

200
Animals in this zone usually have very large eyes because there is very little sunlight.
What is the twilight zone?
200

Made up of living and nonliving things.

What is an ecosystem?

300
Oceans cover this percent of Earth.
What is 70%?
300

This is the amount of mass in a given unit of volume.

What is density?

300

The eastern shores of the US have warm water during the summer because of the trade winds and this current.

What is the Gulf Stream current?

300

This is the zone where you would see marine organisms with small eyes and light organs to attract prey.

What is the midnight zone?

300

Phytoplankton is very important to the ecosystem. It makes its own food, therefore it is considered this.

What is a producer?

400
This is the border of the continent that is below the water and slopes gradually away from the shore.These are the shallow areas of the ocean.
What is continental shelf?
400

This happens to density as the temperature increases.

What is decreases?

400
This is the way deep water currents move.
What is vertically?
400

The salinity does this the deeper down in the ocean you go.

What is increase?

400

The arrows in a food web show this.

What is the way of the energy flow?

500
This is the definition of abyssal plain.
What is the true ocean floor? Remember, it is a smooth, flat surface made of sediment from runoff.
500

Two hydrogen atoms and one oxygen atom make up this molecule.

What is a water molecule?

500

Circular arrow patterns on the map represent this.

What are currents?

500

In an experiment, this variable is the one that I change.

What is the independent variable?

500

Organisms that eat only plants are called this.

What are herbivores?