solar and lunar eclipses

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Presentation Description

Skills demonstration for PowerPoint project

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Presentation Transcript

Lunar and Solar Eclipses : 

Lunar and Solar Eclipses PowerPoint skills and quiz demonstration © McKenzie

Objectives : 

Objectives Identify the sun/moon/earth relationships which lead to a solar and lunar eclipse Recognize the significance of the shadow (penumbra and umbra) Eclipse safety © McKenzie

The earth, moon, and sun : 

The earth, moon, and sun The moon revolves around the earth as the earth revolves around the sun This relationship sets up situations where the moon or earth passes in between each other Image: BBC.uk © McKenzie

Lunar Eclipse : 

Lunar Eclipse The arrangement of the sun, moon, and earth during a lunar eclipse. Image: MrEclipse.com © McKenzie

The penumbral and umbral shadow – Lunar Eclipse : 

The penumbral and umbral shadow – Lunar Eclipse The moon is illustrated within the penumbral shadow. The moon turns much darker within the umbral shadow Images: Koen van Gorp © McKenzie

If we could go to the moon : 

If we could go to the moon Artist’s rendering of a lunar eclipse from the moon Image: L. Rudaux © McKenzie

Solar Eclipse : 

Solar Eclipse The arrangement of the sun, moon, and earth during a solar eclipse Image: MrEclipse.com © McKenzie

The penumbral and umbral shadow – Solar Eclipse : 

The penumbral and umbral shadow – Solar Eclipse The moon’s shadow appears on the earth Image: Mitaka © McKenzie

Eclipse safety : 

Eclipse safety Never, never, look at the sun during a solar eclipse. The sun can blind you in an instant. Lunar eclipses are harmless; the sunlight reflected off the moon’s surface will not blind you. © McKenzie

Quiz #1 : 

Quiz #1 The earth passes between the moon and the sun and an eclipse occurs. This is a ________. A) Twilight: Eclipse B) Solar Eclipse C) Neptunial Eclipse D) Lunar Eclipse © McKenzie

Quiz #2 : 

Quiz #2 During which eclipse does a shadow appear on the surface of the earth? A) Solar Eclipse B) Lunar Eclipse C) Polar Eclipse D) Twilight © McKenzie

Quiz #3 : 

Quiz #3 It is ok to look at a Lunar Eclipse. True or false? A) True B) False © McKenzie

Slide 13: 

Correct!

Slide 14: 

Try Again!

Reference slide : 

Reference slide Slide 3 - Earth, Sun and Moon. National schools Observatory, UK (Image credited to BBC). Web. Slide 4,7 - MrEclipse.com. Solar and Lunar Eclipses. Web. Slide 5 - Koen van Gorp - Astronomy and Photography. Web. Slide 6 - L. Rudaux,G. 1962. Vancouleurs; "Astronomy“. Digital. Slide 8 – Mitaka. Solar Eclipse photos. Web. © McKenzie

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