oceans

Which zone receives the most sunlight?

• midnight zone

• twlight zone

• sunlight zone

• O Zone

Salinity increases as you go deeper. True or False?

• True

• False

High and low tides on the coast are caused mostly by —

• storms over the ocean

• the tilt of Earth

• the gravity from the moon

• underwater earthquakes

Which best describes how temperature differences affect the formation of ocean currents?

• warm water sinks

• cold water sinks

• cold water rises

• warm water stays still

Which organism is a producer in the ocean food web?

• fish

• whale

• plankton

A scientist wanted to send a camera to explore the DEEPEST part of the ocean. Which area of the ocean should the camera be sent?

• Continental rise

• Continental shelf

• Continental slope

• ocean trench

Which of the following is NOT a cause of ocean currents?

• wind directions

• air pollution

• differences in water

• difference in salinity

This area is the deep valley at the bottom of the ocean, deepest part of the ocean

• ocean trench

• continental slope

• continental rise

• continental shelf

This area has pile of sand and sediment at the base of the continental slope

• ocean trench

• continental rise

• continental slope

• ocean ridge

_________ is a warm current that flows from the east coast of North America to Europe

• high tides

• low tides

• Gulf Stream

• gravity