Eclipse Simulator

Eclipse Simulator worksheet

NameDate

Open the Eclipse Simulator at initial.app/eclipses. Use it to answer these.

1. Draw the Sun, Earth and Moon during a solar eclipse. Mark where the shadow falls.
2. Draw them during a lunar eclipse. Mark where the shadow falls.
3. Press Play the year. About how many times a year do the Sun and the Moon's orbit line up?
4. Choose Moon near, then Moon far, at a solar eclipse. What changes, and why?
5. Explain in your own words why there isn't an eclipse every month.