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Slide 1
Slide 2
Slide 3
Standard S6E2b. Explain the alignment of the earth, moon, and
sun during solar and lunar eclipses.
Slide 4
How do the sun, moon, and earth work together to create
shadows?
Slide 5
Recipe for a Shadow: A Source of Light A Light Blocker A
Surface for the Shadow to Fall Upon
Slide 6
Parts of a Shadow
Slide 7
UMBRA DARK PART OF THE SHADOW (causes TOTAL ECLIPSES)
Slide 8
Parts of a Shadow Penumbra: Lighter part of a shadow (causes
partial eclipses)
Slide 9
Lunar Eclipse Can you predict what causes a lunar eclipse?
Slide 10
A Lunar Eclipse occurs when the earth moves between the sun and
the moon. The earths shadow falls on the moon. Light Light Blocker
Surface for Shadow to Fall Upon
Slide 11
Facts about a Lunar Eclipse 1. A total lunar eclipse makes the
surface of the moon appear red. 2. Total lunar eclipses do not
occur as often as partial eclipses because the sun, earth, and moon
must be in a straight line. 3. A partial eclipse occurs when only
part of the suns light is blocked by the earth.
Slide 12
A Solar Eclipse Can you predict what causes a solar
eclipse?
Slide 13
A solar eclipse is caused when the moon moves between the earth
and the sun. The moons shadow falls on the Earth. LightLight
Blocker Surface for Shadow to Fall Upon
Slide 14
Facts about a Solar Eclipse 1. During a total solar eclipse the
moon blocks out the light of the sun except for a halo of sunlight
that appears around the moon. 2. Total eclipses are rare. 3. Some
nocturnal animals become active during a solar eclipse.
Slide 15
The next total solar eclipse will be visible in the United
States on August 21, 2017. How many years is that from now? How old
will you be?
Slide 16
Do You Know??? 1. What causes a lunar eclipse? Earth blocks
light from sun and earths shadow falls on the moon. 2. What causes
a solar eclipse? Moon blocks light from sun and moons shadow falls
on the earth.