Earth Science

Readings for Unit I

Introductory Material: Scientific method, Atomic structure, Nature of energy, Definitions
text: p. 13-16; p. 22-26; p. 418-419; p. 604
questions: p. 17, #11, 12; p. 36, #3, 4; p. 430, #13; p. 621, #1, 2

Distances, Brightness, Spectroscopy, Compositions, H-R diagram, Motions
text: p. 624-626; p. 604-606; p. 626-628; p. 606-607
questions: p. 646, #2, 3, 5, 6, 7, 8; p. 621, #3, 6, 7

Sun
text: p. 613-620
questions: p. 621, #19, 21, 22, 24, 25
supplementary questions:
What happens to a gas’ temperature when it’s compressed?
What happens to a gas’ volume when it’s heated?
What happens to the magnitude of a gas cloud’s “internal gravitation” when it collapses?

Stellar evolution
text: p. 630-639
questions: p. 646, #10, 11, 12, 15, 16, 17, 18, 19, 20
supplementary question:
How do we know that Sun is not an original star in our universe?

Planets, Asteroids, Comets, Meteoroids
text: p. 2-5; p. 576-578; p; 582-599
questions: p. 17, #2; 600, #1, 2, 8, 9, 14, 15, 22, 23, 24 supplementary questions:
Account for the following: high temps. of Mercury, high temps. of Venus, dry streams of Mars, densities of Jupiter & Saturn, “wobbles” of Uranus, discovery of Pluto.
Why is it felt that the asteroids don’t represent the debris of planetary collision?
What are the categories of meteoroids?
From where or what do meteoroids come?

Moon
text: p. 579-582
question: p. 601, #25
supplementary question:
Discuss how meteorite impact is responsible either directly or indirectly for: craters, rays, maria, regolith

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