Open Court Unit 2 Lesson 2 Vocabulary Test

Front

What are surface currents in the ocean formed by?

Back

Surface currents in the ocean are formed by blowing wind.

Front

What is the axis of the globe?

Back

The axis is the imaginary line that goes through the globe, allowing it to spin.

Front

What does it mean if a coral reef is teeming with fish?

Back

It means that the coral reef is full of fish, making it a popular spot for scuba diving.

Front

What is the purpose of a fence in a zoo's alligator pool?

Back

A fence is used to keep the alligators from escaping.

Front

What does it mean to sustain friendships?

Back

To sustain friendships means to maintain and support them by spending time together.

Front

What is a gyre in oceanography?

Back

A gyre is a large system of circulating ocean currents, often influenced by wind and the Earth's rotation.

Front

How does Earth's rotation affect ocean currents?

Back

Earth's rotation causes the Coriolis effect, which influences the direction of ocean currents.

Front

What is salinity and how does it affect ocean water?

Back

Salinity is the concentration of salt in water, and it affects water density and currents.

Front

What is the difference between surface currents and deep ocean currents?

Back

Surface currents are driven by wind and occur at the ocean's surface, while deep ocean currents are driven by differences in water density.

Front

What role does temperature play in ocean currents?

Back

Temperature differences in ocean water can create currents, as warmer water is less dense and rises.