Hydrosphere Review

Front

What type of water is the densest and would therefore sink to the bottom, causing a thermohaline current?

Back

Salty, cold water is the densest and sinks, contributing to thermohaline currents.

Front

What is the area between high and low tides called?

Back

The area between high and low tides is called the Intertidal zone.

Front

What type of molecule is water due to uneven sharing of electrons between hydrogen and oxygen atoms?

Back

Water is a polar molecule.

Front

How often do high tides occur each day in most places on Earth?

Back

High tides occur twice a day in most places on Earth.

Front

What term describes how clear or cloudy the water is?

Back

Turbidity refers to how clear or cloudy the water is.

Front

What is the term for the movement of water caused by differences in temperature and salinity?

Back

Thermohaline circulation is the movement of water caused by differences in temperature and salinity.

Front

What is the primary source of energy that drives ocean currents?

Back

The primary source of energy that drives ocean currents is the sun.

Front

What is the term for the zone of the ocean where sunlight penetrates and photosynthesis can occur?

Back

The photic zone is where sunlight penetrates and photosynthesis can occur.

Front

What is the term for the maximum depth at which light can penetrate in the ocean?

Back

The euphotic zone is the maximum depth at which light can penetrate.

Front

What is the term for the area of the ocean that is affected by the tides?

Back

The intertidal zone is the area of the ocean that is affected by the tides.