Earth's Motions Unit
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Refer to the links on the left for resource information.
Click on the large view to
view the simulations.Where are the Sun's direct rays striking Earth?
Notice the location of the Moon
at Spring tides (new & full)
and Neap tides (first and last quarter).Track the changes of moon phases.
Describe the changes you see.









Related Links
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NOAA on Tides
Great animation of Spring and Neap Tides. -
Origin of Tides
Why does Earth experience tides?