Quiz 12A

Most of Earth’s water is salt water. True or False?

• True

• False

The movement of water from the earth to the atmosphere and back to the earth is called the water cycle. True or False?

• True

• False

When the sun’s energy heats water on Earth’s surface and changes it into water vapor, condensation happens. True or False?

• True

• False

To conserve means to make wise use of a natural resource. True or False?

• True

• False

Why can we say that there is just one ocean?

• because all the oceans are salty

• because the oceans were created on the same day

• because the oceans all connect together

Does wind energy make the top of a surface wave fall as it nears land?

• No, friction from the ocean floor makes the surface wave fall.

• No, gravity makes the surface wave fall.

• Yes.

What three things determine the size of a surface wave?

• the speed of the wind

• how long the wind blows

• the friction of the sand at the ocean floor

• the distance over which the wind blows

What is the cause in this cause-and-effect relationship: The logs and branches were swept into the ocean as a result of surface waves and winds?

• the logs and branches are swept into the ocean

• surface waves and winds

What is the effect in this cause-and-effect relationship: The ocean currents carrying driftwood leads to surface waves washing the driftwood onto the beach?

• the ocean currents carrying driftwood

• surface waves washing the driftwood onto the beach

Why can we say that there is just one ocean?

• because the oceans were created on the same day

• because the oceans all connect together

• because all the oceans are salty