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>>>I find it hard to believe the statement above.
How did you obtain the data that suggests that
"most students in college do not grasp the relationship
between the earth and the moon" and that "most think
that the moon is close enough to take a plane to?<<<<
I came to this conclusion based on interviews and on surveys handed out to
students. The survey questions were:
1.. Explain, as clearly as you can, why it is the Moon sometimes appears
as a full bright circle like this, (drawing of circle) and
sometimes the Moon can appear as a crescent like this, (drawing of crescent).
2. . On the back of this page, draw the Earth-Moon System as a scale
model. (This means draw the Earth and Moon the correct sizes for a sheet
of paper. Also, make sure that you have the correct distance apart for a
sheet of paper.) Don't worry about being exact, just be as close as you
can. Please explain why you drew the Earth-Moon System the way you
did. Please be sure to label all the items in you sketch!
After collecting all the surveys, before and after instruction. I
measured the circles and set up ratios. Most Student drew the earth and
moon less then 3 earth diameters apart.
I can send you the actual data if you would like