Category 1
How much of our Earth is covered in water (give me a percent)?
Over 70%
Where does the start of a river usually begin?
Minerals from rivers that get emptied into the ocean and underwater volcanoes!
How much of that water is found in the oceans (give me a percentage)?
97% or more
What is the start of a river called?
The head.
What causes the tides on Earth?
The moon
What is the part of the continent that continues underwater near the shore?
The continental shelf
Where do rivers usually empty into?
Usually bigger bodies of water like seas or oceans
What are two main ocean currents called?
Surface and deep ocean currents
What are the 4 main ocean zones called that we talked about today?
The sunlit zone, the twilight zone, the midnight zone, and the abyssal plain
What is the part of the river called when it empties into the sea or ocean?
The mouth
What are circular currents called?
Gyres
Name the 5 oceans of the world.
Pacific, Atlantic, Southern, Arctic, and Indian
What are seas?
They are smaller bodies of usually salty water that are surround by land with one opening to the ocean.
What four sources effect ocean currents?
Wind, tides, Earth's rotation, and change in water density or temperature