Astronomer Directed Reading – 59, 62, 67, 70, 71, 76, 80 Due Thursday!

MILLIONAIRE SCOREBOARD $100 $200 $300 $500 $1,000 $2,000 $4,000 $8,000 $16,000 $32,000 $64,000 $125,000 $250,000 $500,000 $1 MILLION Click the $ for questions

Galaxies are classified based on their……….  A: shape A:  B: color B:  C: composition C:  D: temperature D: $100 Question Click on the letter of the correct answer

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SCORE 3 types–irregular, elliptical, & spiral. Click on the money bag to return to the scoreboard Correct!

Which celestial objects orbit the Sun?  A: stars A:  B: planets B:  C: black holes C:  D: quasars D: $200 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct! Mercury Venus Earth Mars Saturn Jupiter Uranus Neptune

Stars are classified by their…….  A: shape A:  B: elevation B:  C: temperature and color. C:  D: area of the sky. D: $300 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct!

_______are a group of stars located in the night sky.  A: Quasars A:  B: Black holes B:  C: Nebulas C:  D: Constellations D: $500 Question Click on the letter of the correct answer

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Constellations are stars that are group together to help identify their location. Click on the money bag to return to the scoreboard Correct!

What is the diagram that illustrates how the temperature and brightness of a star is related?  A: Star map A:  B: HR Diagram B:  C: Star chart C:  D: Road map D: $1,000 Question Click on the letter of the correct answer

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The HR diagram illustrates the relationship between how bright a star is, its color and its temperature. Click on the money bag to return to the scoreboard Correct!

 A: that the universe was created by a huge explosion. A:  B: a nuclear weapon exploded. B:  C: stars just appeared from no where. C:  D: That the universe is constantly expanding. D: $2,000 Question Click on the letter of the correct answer What is the theory of the Big Bang?

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$2,000 Click on the money bag to return to the scoreboard Correct! The Big Bang Theory is one theory of the formation of the Universe. It states that the universe began with a tremendous explosion.

Astronomers use ____ ____ to measure the distance to celestial objects outside of our solar system.  A: meter sticks A:  B: light years B:  C: yard sticks C:  D: their fist D: $4,000 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct! Light years are a measurement of how fast light travels (time), not distance. Stars are to far away to use other types of measurement and would make the numbers astronomical!

A _______ is a baby star factory made of gas and dust.  A: Nebula A:  B: Galaxies B:  C: Quasar C:  D: Black hole D: $8,000 Question Click on the letter of the correct answer

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Nebulas are remnants of stars that have exploded in the past. Gravity will pull the dust back together to form new stars! Click on the money bag to return to the scoreboard Correct!

If a star becomes a black hole at the end of its life, it is …  A: nebula. A:  B: quasar. B:  C: high mass star. C:  D: low mass star. D: $16,000 Question Click on the letter of the correct answer

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$16,000 Click on the money bag to return to the scoreboard Correct!

What is the process that produces a star?  A: star birth A:  B: a nebula B  C: a galaxy C:  D: fusion D: $32,000 Question Click on the letter of the correct answer

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Gravity pulls the nebula together until it fuses together in a nuclear reaction. Click on the money bag to return to the scoreboard Correct!

A _______ is a dirty celestial snowball that orbits the Sun.  A: comet A:  B: snowman B:  C: quasar C:  D: star D: $64,000 Question Click on the letter of the correct answer

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A comet is made of dry ice and stellar dust. It orbits the sun, with the solar wind blowing the tail away from the Sun. Click on the money bag to return to the scoreboard Correct! Halebopp Comet

What season is it if the Earth tilts away from the Sun in the northern hemisphere?  A: Fall A:  B: Spring B:  C: Winter C:  D: Summer D: $125,000 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct! In the winter, the Earth tilts away from the Sun, causing it to be cooler in the northern hemisphere.

If the Earth is tilting toward the Sun, it is ______ in the southern hemisphere.  A: Spring A:  B: Summer B:  C: Fall C:  D: Winter D: $250,000 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct! In the winter, the Earth tilts towards the Sun, causing it to be cooler in the southern hemisphere.

If the Earth is not tilting toward or away from the Sun, what season is it?  A: Winter A:  B: Fall or Spring B:  C: Summer C:  D: Hunting D: $500,000 Question Click on the letter of the correct answer

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Click on the money bag to return to the scoreboard Correct! The sun rises in the northeast in the summer time and the southeast in the winter time.

Name the order of the universe from the smallest to the greatest.  A: Planets, Earth, sun, universe and galaxies A:  B: Sun, Moon, Earth, stars, planets B:  C: Moon, Earth, Sun, Galaxy, Universe C:  D: The Sun is the center of the universe. D: $1 Million Question Click on the letter of the correct answer

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Sun Solar system 250 million yrs. Milky Way Galaxy Moon 29.4 days 100,000 Light years Infinity Earth 365 days 228 million km 28,000 Light Years Mars 1.88 yrs. 150,000 km International Space Station 2 days