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tides
Schrift-wk 4.4 tides
Question | Answer |
---|---|
the regular rise and fall of the ocean's surface | tides |
an invisible force that pulls object toward each other | gravity |
the force of gravity between two objects depends on two things | the amount of mass the objects have and the distance between the tow objects |
what causes tides | the gravitational pull of the moon on earth's oceans |
the number of high and low tides that happen each day | two high tides and two low tides |
about how often do the tides change between high and low tides? | about every six hours |
the more mass an object has | the more gravitational pull the object has |
the closer objects are to each other | the more gravitational attraction they will have on one another |
about how long is it between two high tides | about every 12 and 1/2 hours |
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