Unit 4Week 24

Why the Moon seems to change shape

The Sun lights half the Moon. Watch how much of that bright half we can see.

The Sun lights one half of the Moon. As the Moon goes around Earth, we see more or less of its bright half: new Moon, crescent, half Moon, gibbous and full Moon. lit half dark half round like a ball lit dark sunlight Earth Earth's shadow What we see new Moon about 29 and a half days My Moon journal Day 1 Day 4 Day 8 Day 12

Keys: Space plays or pauses. Left and right arrows move one sentence. C turns captions on or off.

Read the words