Name: ______Key______Date: ______Class: ______
Eclipses Review
1. ______Eclipses______occur when the ___Sun_____, the Earth and the Moon all lie along a straight line.
*What two phases of the moon occur when the sun, earth, and moon create a 180° angle (straight line)? _new moon-solar eclipse_
___full moon-lunar eclipse______
2. The Moon’s orbit is tilted ___5 degrees_____ with respect to the ecliptic so there are only two times a year when the paths overlap. This is why we do not experience an eclipse every new and full moon.
3. A ______Lunar______eclipse is the passing of the Moon through the Earth’s shadow.
• The Earth is between the Sun and the Moon. – Lunar Eclipse
• Lunar eclipses are visible from anywhere on the night side of Earth. -True!
• Lunar eclipses can only occur during ____Full____ Moon phase.
4. Lunar eclipses are more ____commonly______than solar eclipses.
5. Parts of a Shadow
• _____Umbra______is part of shadow where the sun is totally obscured, the dark part.
• _____Penumbra______ is the part of the shadow where the sun is partially obscured, the light part.
• Label the Parts of a Shadow:
Lunar eclipses can occur only at ___Full______moon.
Lunar eclipses can be penumbral, partial, or ____Total______.
7. Draw the alignment of the Sun, Earth, and Moon in a lunar eclipse in the box below.
LUNAR ECLIPSE
8. Solar Eclipses:
The Moon is ______in between______the Sun and the Earth.
– As seen from the Earth, the ___Moon______blocks the Sun.
– The eclipse may be either a _____partial______or total eclipse.
• The Sun and the Moon have the same apparent __size____ in the sky.
9. Solar eclipses occur when the shadow of the Moon falls on the surface of Earth
– Only people in the ___shadow (umbra and penumbra)___ see the eclipse
• Solar eclipses can occur only at ____New______moon.
10. Draw the alignment of the Sun, Earth, and Moon in a solar eclipse in the box below.
SOLAR ECLIPSE