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MORE ABOUT THE MOON
DOES IT MOVE?
window at home from which you can see the moon.
If observations are repeated every fifteen minutes, you will realize that the moon apparently changes its position. (Note: Be sure to hold your head in exactly the same position for every observation.)
Label a yardstick A, and drill a hole (or ask an adult to drill the hole) near one end of the stick. Label a second yardstick B, and drill a hole in the center. Fasten the two sticks together with a bolt and a wing nut. Looks like you will be making a large lower-case "T".
Make a grid of 1 inch squares on a transparent plastic sheet, and attach it to one end of stick B. Fasten stick A to the back of a chair or other support. Sight along the upper edge of stick B, and adjust the support so that the moon appears to be sitting right on the end of stick B. Do not move the stick for five minutes, then sight along it again. (You will find that the moon appears to change its position.)
This instrument can be used to sight on various stars to see if they also appear to move.
I, your brilliant writer, do not know how this all works. I am trying to learn this stuff about five minutes before you learn it. I know it is really neat to look up in the sky on some mornings and see the moon on one side and the sun on the other. I don't know why that is, but we'll probably learn.
moon in the daytime and draw its apparent shape
a tennis or styrofoam ball outdoors and hold it at
the ball slowly to the right or left and note the
Back into the classroom for this one:
Hold a white
volleyball higher than your head. The ball
another student stand behind the ball and in a
room, and slowly walk around the "earth" until
from the earth can be drawn to represent different
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