4th Grade Oceans, Currents, And Creatures Question Preview (ID: 50817)


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The usual weather an area has over a long period of time is called the ---
a) climate
b) temperature
c) wind
d) current

The smallest and shallowest ocean is the ---
a) Pacific Ocean
b) Atlantic Ocen
c) Indian Ocea
d) Arctic Ocean

A stream of water moving like a river through the ocean is called a ---
a) wave
b) trench
c) current
d) trench

The largest and deepest ocean is the ---
a) Pacific Ocean
b) Southern Ocean
c) Arctic Ocean
d) Indian Ocean

Both ocean floor and the rest of the earth's surface have plains, valleys, and ---
a) sea horses
b) plankton
c) coral reefs
d) mountains

Which is NOT one of the four main oceans?
a) Arctic Ocean
b) Southern Ocean
c) Pacific Ocean
d) Indian Ocean

Tiny plants and animals that live and move throughout the ocean are called ---
a) sea urchins
b) dolphins
c) plankton
d) coral

Changes in temperature controls ---
a) deep ocean currents
b) surface currents
c) both a and b
d) none of the above

Suface currents are caused by the---
a) temperature changes
b) wind
c) climate
d) sun

Deep ocean currents are controlled by how much ____________.
a) salt is in the water
b) plankton are in the water
c) both a and b
d) none of the above

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