Chapter 8 Test

Water vapor changing into water to form clouds.

• Evaporation

• Condensation

• Precipitation

Label each statement as either True or False. Germs are tiny plants and animals that live and move throughout the ocean.

• True

• False

A tide is caused by the way gravity varies depending on the distance of the earth from the sun and moon.

• True

• False

A wave is the up-and-down movement on the surface of the water.

• True

• False

The rise and fall of the water level of the ocean is called a current.

• True

• False

The usual weather of an area over a long period of time is called the climate.

• True

• False

Tides happen in different places because the earth rotates as the ____ pulls on it.

• moon

• sun

• stars

Many bodies of water have two high tides and ____ low tides each day.

• two

• three

• four

Temperature changes and the amount of salt in the water control the ____.

• A. surface currents

• B. deep ocean currents

• C. Gulf Stream

The four main oceans are the ____ Oceans.

• Antarctic, Atlantic, Indian, and Pacific

• Arctic, Atlantic, Indian, and Southern

• Arctic, Atlantic, Indian, and Pacific