The Sun-Earth-Moon System 221
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ht ©
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/McG
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, a d
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Lesson 3
Predict three things you will learn about in Lesson 3. Look at the illustrations in the lesson to give you some clues. Write your predictions in your Science Journal.
Eclipses and Tides
Define umbra and penumbra. Then label the umbra and the penumbra on the diagram below.
Umbra:
Penumbra:
Compare information about solar eclipses.
Solar Eclipses
Definition: Phase during which a solar eclipse can occur:
Total eclipse: Partial eclipse:
Solar EclipsesI found this on page .
Shadows—the Umbra and the PenumbraI found this on page .
Light sourceBall
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222 The Sun-Earth-Moon System
Lesson 3 | Eclipses and Tides (continued)C
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ill, a division of The M
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-Hill C
ompanies, Inc.
Label th e diagram of a solar eclipse. Use these terms:
• Sun • Moon • penumbra • partial solar eclipse• Earth • umbra • total solar ecli pse
I found this on page .
Explain why solar eclipses do not occur every month.
Organize information about lunar eclipses.
Lunar Eclipses
Definition: Phase during which it can occur:
Total eclipse: Partial eclipse:
I found this on page .
Lunar EclipsesI found this on page .
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The Sun-Earth-Moon System 223
Lesson 3 | Eclipses and Tides (continued)C
opyr
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© G
lenc
oe/M
cGra
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div
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The
McG
raw
-Hill
Com
pani
es, I
nc.
Explain why you can still see the Moon during a total lunar eclipse.
Organize information about tides.
Tides
Definition
Force that causes tides
Where low tide occurs
Where high tide occurs
How often high tide occurs
Compare spring tides and neap tides. Draw the position of the Moon, the Sun, and Earth during a spring tide and a neap tide.
Types of Tides
Spring Neap
Moon phases during which they occur:
Moon phases during which they occur:
I found this on page .
TidesI found this on page .
I found this on page .
Suppose that the Moon were smaller in size but greater in mass than it is now. How would that affect solar eclipses and tides?
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224 The Sun-Earth-Moon System
Review The Sun-Earth-Moon SystemC
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lencoe/McG
raw-H
ill, a division of The M
cGraw
-Hill C
ompanies, Inc.
Chapter Wrap-UpNow that you have read the chapter, think about what you have learned.
Use this checklist to help you study. Complete your Foldables® Chapter Project.
Study your Science Notebook on this chapter.
Study the definitions of vocabulary words.
Reread the chapter, and review the charts, graphs, and illustrations.
Review the Understanding Key Concepts at the end of each lesson.
Look over the Chapter Review at the end of the chapter.
Reread the chapter Big Idea and the lesson Key Concepts. Draw the Earth-Moon-Sun system in the space below. Use arrows to show the rotation and revolution of Earth and the Moon. On the lines below your drawing, describe a cycle that is caused by the motions of Earth and the Moon.
Challenge Work with a partner to create a moving model of the Sun-Earth-Moon system. Use your model to demonstrate tides, phases of the Moon, seasons, and other cycles caused by motions of Earth around the Sun and the Moon around Earth.
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