1. Lesson 0145 Learning Goal: (You should be able to…)
Explain the moon’s phases
: (Can you …)
Make a model of them!
Record it?

2. Write to Think 145 Which moon phase comes next after a new moon?
What is the phase at day 14 in the revolution of the moon?
Draw what the moon will look like from the Earth when it is a waning gibbous shape.
Why is it called a ‘full moon’?

3. 1. Waxing crescent
2. Full moon
3. Waning gibbous

4. Model it Experiment with partner … what do you need?
How to get it to represent the moons phases?
Rotation? Revolution?
Each phase … how many phases?
Shadow?
When and where are they?
Time?
Other?

6. Things I’m looking for …
Patience (we have a limited amount of space!)
Accurate modelling of what you have on your THREE handouts.
Both persons working on the demonstration.
Practice the names, order, HOW and WHY it’s happening!
Completing the TWO NEW handouts

8. End of Lesson

10. In the real thing there is only one moon, Earth and sun.
In the demo you have to compete with other people for sunlight
Competition

11. Ancient calendars Stonehenge in Great Britain (1500 BC)
marks the direction in which the sun rises and sets on the longest period of daylight of the year.
Chinese astronomers 1300 BC
first to calculate the correct length of a year ( days)
The Mayans
devised a calendar with days.