Sunday, December 11, 2011
Fill in all the gaps, then press "Check" to check your answers.
dark side full moon lunar penumbra straight line
eclipse occurs when the Earth blocks sunlight from reaching the Moon.
2. Eclipse of the Moon occurs if the Earth, the Moon and the Sun are in a
and the position of the Earth is between the Sun and the Moon.
3. An eclipse of the Moon occurs only during
4. An eclipse of the Moon can be seen with the naked eye if a person is on the
of the Earth.
5. The shadow of the Earth has two regions: A dark shadow region (umbra) and a light shadow region (
hua mei lian
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