Understanding Tides and Ocean Bulges

What would happen to the ocean if the Earth and Moon were completely motionless?

• The ocean would form waves.

• The ocean would only bulge towards the Moon.

• The ocean would bulge towards the Moon and on the opposite side.

• The ocean would remain flat.

Why is the bulging of the ocean on the side opposite the Moon considered non-intuitive?

• Because it contradicts the idea of gravitational attraction.

• Because it is a rare phenomenon.

• Because it only happens during full moons.

• Because it is not visible to the naked eye.

What is the typical difference in height between high tide and low tide along a coastal area?

• About 1 to 1.5 meters

• About 0.5 meters

• About 10 meters

• About 5 meters

How much does the Earth's crust lift during high tide?

• About 50 centimeters

• About 10 centimeters

• About 30 centimeters

• About 1 meter

What technology is used to measure the changes in the Earth's crust due to tides?

• GPS

• Barometers

• Seismographs

• Thermometers