Reflect, gibbous, crescent, waning, waxing

Lesson 4 - Phases of the moon

Reflect, gibbous, crescent, waning, waxing

Lesson 4 - Phases of the Moon

First task:

Discuss

What does the moon look like?

What must happen in order for us to see the moon?

Phases of the Moon

• State how the moon travels around the Earth.

• Describe how we can see the moon on Earth.

• Explain what the different phases of the moon are.

• Explain why we see different phases of the moon.

Reflect, gibbous, crescent, waning, waxing

What does the moon look like?

• Does it change?

• What does it looklike up close?

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What does the moon look like?

There are craters, mountain ranges and flat plains called ‘seas’.

Reflect, gibbous, crescent, waning, waxing

What does the moon look like?

Reflect, gibbous, crescent, waning, waxing

How do we see the moon?

Sunlight reflects off of the Moon

Reflect, gibbous, crescent, waning, waxing

How do we see the moon?

Just like how you are seeing the projector

Moon

SunEarth

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The Moon● The Sun and the Moon

look about the same size from Earth, but they are not.

● The Sun is about 400 times wider than the Moon but is 400 times further away!

● The Moon orbits the Earth once every 28 days.

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

● The Moon reflects sunlight.

● We see different amounts of the bright side of the Moon as it moves.

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

new Moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

crescent Moon

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Phases of the moon

half Moon

This is the view of the Moon from Earth.

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

gibbous Moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

full Moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

gibbous Moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

half Moon

Reflect, gibbous, crescent, waning, waxing

Phases of the moon

This is the view of the Moon from Earth.

crescent Moon

Reflect, gibbous, crescent, waning, waxing

Task

• Complete the handout

• Hint: Look at the direction of the Sun

Reflect, gibbous, crescent, waning, waxing

Task

• Interactive activity

Reflect, gibbous, crescent, waning, waxing

Questions

1. The Moon does not produce its own light - how can we see it?

2. How long does it take the Moon to orbit the Earth?

3. Why do we always see the same side of the Moon?

Reflect, gibbous, crescent, waning, waxing

Questions

1. The Moon does not produce its own light - how can we see it? Light from the Sun is reflected off the Moon

2. How long does it take the Moon to orbit the Earth? 28 days

3. Why do we always see the same side of the Moon? The Moon rotates on its axis at the same rate that the Moon orbits the Earth

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Task• Astronauts visiting

the Moon saw the ‘phases of the Earth’.

• Explain the phases of the Earth to a puzzled Moon creature.

Where is the rest of the Earth?