What Causes Tides?-NOAA SciJinks

What causes the ocean to rise and fall twice each day?

• Storms

• Currents

• Tides

• Waves

What is the water's highest point called?

• Low tide

• High tide

• Lowest point

• Tidal force

What is the main cause of tides in Earth's oceans?

• Moon

• Mars

• Venus

• Sun

What is the force by which a planet or other body draws objects toward its center?

• Gravity

• Friction

• Magnetism

• Inertia

What causes the water to bulge in the direction of the moon?

• Frictional force

• Centrifugal force

• Magnetic force

• Tidal force

What is high-tide flooding?

• Flooding due to heavy rain

• Flooding due to earthquakes

• Flooding due to melting ice

• Flooding due to high tides