Tides: Topic 4 Experience 2

Front

What are tides?

Back

The predictable rise and fall of ocean water that occur along Earth’s coastlines.

Front

What is an axis?

Back

An imaginary line that passes through Earth from the North Pole to the South Pole.

Front

What is a wave?

Back

A disturbance, such as a vibration, that transfers energy from one place to another.

Front

What is Newton’s 3rd Law of Motion?

Back

For every action force, there is an equal but opposite reaction force.

Front

What causes tides?

Back

Tides are caused by the gravitational pull of the moon and the sun on Earth’s oceans.

Front

What is high tide?

Back

The point at which the ocean water reaches its highest level along the coastline.

Front

What is low tide?

Back

The point at which the ocean water reaches its lowest level along the coastline.

Front

How often do tides occur?

Back

Tides typically occur twice a day, with two high tides and two low tides.

Front

What is a spring tide?

Back

A tide with the greatest difference between high and low tide, occurring during full and new moons.

Front

What is a neap tide?

Back

A tide with the least difference between high and low tide, occurring during the first and third quarters of the moon.