Tides & Tidal Zones

Front

What are tides?

Back

The periodic rise and fall of the oceans caused by the gravitational pull of the moon and the sun.

Front

What happens during a neap tide?

Back

High tides are not as high and low tides are not as low.

Front

How many hours are there between two low tides or two high tides on the same day?

Back

Approximately 12 hours.

Front

What is wave action?

Back

The movement of water caused by waves crashing against the shoreline.

Front

What are temperature extremes in tidepools?

Back

The significant variations in temperature that organisms in tidepools experience during summer and winter.

Front

What is changing salinity?

Back

The variation in salt concentration in tidepools due to factors like rainfall and evaporation.

Front

What is predation in tidepools?

Back

The act of one organism hunting and eating another organism in the tidepool ecosystem.

Front

What does exposure mean in the context of tidepools?

Back

The condition of tidepool organisms being exposed to air during low tide.

Front

What is the difference between high tide and low tide?

Back

High tide is when the water level is at its highest, while low tide is when the water level is at its lowest.

Front

What causes tides?

Back

Tides are caused by the gravitational forces exerted by the moon and the sun on Earth's oceans.