Water on Earth Unit Test

Winds that blow over longer distances build up bigger __________________ .

• wavelength
• tsunamis
• waves
• troughs

Waves that form as a result of an underwater earthquake are called ______________ .

• breakers
• tsunamis
• swells
• tides

Only a wave's __________________ moves towards the shore, not the water itself.

• energy
• wind
• tides
• swells

Which term describes the motion of water particles in a wave?

• forward
• rising
• sinking
• circular

What energy source most commonly causes waves to form?

• Boats (cruise ships, motor boats, cargo ships)
• Rainfall
• Wind
• Earth's rotation on its axis

What are three ways ocean water can vary?

• temperature, depth, salinity
• temperature, sunlight, depth
• animal life, darkness, depth
• ocean floor, trench, continental shelf

As you move from the ocean surface to the ocean floor, what two things decrease?

• plant and animal life
• pressure and temperature
• darkness and light
• temperature and sunlight levels

Why is water on the ocean's surface warmer than water on the ocean floor?

• The surface water circulates more often
• More plant and animal life is found there
• The surface is heated by the sun
• Pollution from large cruise ships and container ships

How do these topographical features of the ocean floor form?
- mid-ocean ridges
- deep ocean trenches

• Volcanic eruptions
• Continental slope
• Waves and tides
• Plate tectonics

What is the tool scientists use to study and map the topographical features of the ocean floor?

• SONAR
• Radar
• NASCAR
• NOAA