What Causes Tides

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

• The sun

• The moon

• Wind

• Earth's rotation

What is the highest point of the water called?

• Ocean peak

• Sea level

• High tide

• Low tide

How many high tides are there each day?

• Two

• One

• Three

• Four

What force causes the ocean to bulge in the direction of the moon?

• Centrifugal force

• Gravitational pull of the sun

• Tidal force

• Magnetic force

Why does Earth experience two high tides each day?

• Due to Earth's rotation

• Because of the sun's gravity

• Due to the gravitational pull from other planets

• Because of the tidal force affecting the whole planet

What happens when tides are approximately 2 feet above the average high tide?

• Low-tide flooding

• Oceanic whirlpools

• Tsunami

• High-tide flooding