1. Bell Ringer
Sometimes during an eclipse of the moon (lunar eclipse), only part of the moon we see is blocked. Other times, the entire moon we see is blocked. Explain why you believe this happens.

2. Solar and Lunar Eclipses (Page 65)
E.Q. – Why does the Sun and Moon’s light sometimes get blocked?

3. What is an eclipse?
An eclipse occurs any time something passes in front of the Sun or Moon, blocking its light.

4. Is there more than 1 kind of eclipse?
Yes!! There are lunar and solar eclipses.
Lunar Eclipse- When the Earth casts a shadow on the moon, causing the moon to go dark

5. Lunar Eclipses
The Earth moves between the Sun and the Moon (Full Moon phase), blocking the Sun’s light, and causing the moon to darken.

6. Umbra – The dark inner portion of the shadow cone.
Penumbra – the lighter outer portion of the shadow.

7. Total Lunar Eclipse – when the Moon passes completely into the Earth’s shadow, the Moon appears red

8. Is there more than 1 kind of eclipse?
Solar Eclipse- When the Moon casts a shadow on the Earth, causing the sun to go dark.
The Moon (New Moon) comes between the Sun and Earth and casts a shadow on part of Earth

9. Total Solar Eclipse – can only occur if you are at the exact spot within the moon’s umbra (which isn’t very big).

10. How a solar eclipse appears on Earth

11. Partial Solar Eclipse – Visible if you are in the penumbra of the shadow. Only some of the Sun will be shadowed.

12. Why Don’t We See Lunar Eclipses More Often?
Well, lunar eclipses don’t happen every month because the Moon’s orbit is tilted. So, during most months, the Moon is above or below the Earth and doesn’t pass through the Earth’s shadow.

13. Conclusion
Quick Write – You are standing on the Moon and looking down on Earth during a Solar eclipse. Predict what the Earth would look like during the eclipse.