power point lesson one moon phases and universe. moon phases

Power Point Lesson One

Moon Phases and Universe

Moon Phases

watch

• http://www.theskyscrapers.org/the-moon-its-just-a-phase-its-going-through

1. Name that phase!

Waxing Gibbous

2. Name that phase!

Waxing crescent

3. Name that phase!

First quarter

4. Name that phase!

Third quarter

Length of time for moon to orbit the earth (1 lunar year)

It takes moon about 29 days to orbit earth.

5. How long from new moon to first quarter?

About 1 week (7 days)

6. How long between each phase?

About 3.5 days (approx)

7. So, how long between waxing gibbous and 3rd quarter?

10.5-11 days approx.

The shape of the moon we see.

The shape of the moon we see.

8. So, explain to me why we see different phases.

Angle between earth, sun and moon.

• It has nothing to do with shadows!

Watch this

• http://www.youtube.com/watch?v=HEheh1BH34Q

9. What is a star?

Giant disc of super heated gas called plasma

What is a nebula?

Large cloud of dust and gas—light years across

What is the Hertzprung Russell Diagram?