Sunday, December 11, 2011


Fill in all the gaps, then press "Check" to check your answers.
   dark side      full moon      lunar      penumbra      straight line   

1. A 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 ( ).

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