Tide Me Over
Tides on Earth
Vocabulary
Cause and Effect
Key to a Tides Heart
100
Tides are due to _______.
What is tidal force?
100
______ forms in the areas between the high tides?
What is low tide?
100
Daily changes in the level of ocean water.
What is tides?
100
The bear can't catch clams ______.
What is because of high tide?
100
Bulges that form in Earth's oceans are called.
What are high tides?
200
The moons effect on tides is _____ as strong as the moons effect.
What is twice as strong?
200
Tides on Earthare caused mainly by the _____.
What is the moon?
200
Difference between the levels of ocean water at high tide and low tide.
What is tidal range?
200
Because the Barnacles must be able to live in water as well as out of water.
What is they tolerate air temperature?
200
They scurry along the sand to avoid being underwater when the tide comes in.
What is Ghost crabs?
300
Spring tides happen during the _____ and ______ phases, or every 14 days.
What is new moon and full moon?
300
During a spring tide, the sun, moon, and Earth are in a _____.
What is a straight line?
300
Tides that have the largest daily tidal range.
What are spring tides?
300
During spring tides, the tidal force of the sun on Earth adds to the tidal force of the moon.
What is increase in tidal range?
300
Starfish live in these areas along the shore where water remains at low tide.
What is tidal pools?
400
Spring tides happen when the moon is between the sun and Earth and when the moon is on the _________ of Earth.
What is opposite side?
400
During a neap tide, the sun, moon, and Earth form a/an ______.
What is 90 degree angle?
400
Tides that have the smallest tidal range.
What are neap tides?
400
During neap tides, the gravitational effects of the sun and the moon on Earth do not add together.
What is decrease in tidal range?
400
Earth that is facing the moon takes this amount of time to rotate to face the moon again.
What is 24 hours and 50 minutes?
500
The time it takes to go from one high tide to the next high tide.
What is 12 hours and 25 minutes?
500
In many places there are ______ and _______ each day.
What are two high tides and two low tides?
500
Difference in gravitational force of the sun and the moon across Earth.
What is tidal force?
500
The moon is much closer to Earth than the sun is to Earth; it's tidal force is stronger.
What is how the moon causes tides?
500
The time it would take to go from high tide to low tide or vice versa.
What is 6 hours and 12.5 minutes?
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