Astronomy Semester Review

Semester 1 Review Jeopardy The Sun

Rotation Vs Revolution

Misc.

Electromagnetic

Spectrum

Planets

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Sunspots cycle every __________ years.

Answer

11

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Our sun is a _________ sized star.

Answer

Medium

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What 2 elements make up most of the sun’s mass?

Answer

helium and hydrogen

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Sudden disturbances in the Earth’s magnetic field are called __________

Answer

geomagnetic storms

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The process by which the sun generates energy

Answer

Nuclear Fusion

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Because Earth’s revolution takes 365 ¼ days, ___________ was established.

Answer

Leap Year

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The Coriolis effect provides evidence that the Earth (rotates or revolves)

Answer

Rotation on its axis

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A constellation’s changing position in the sky over a period of several weeks is evidence of (rotation or revolution) Answer

Revolution around the sun

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Who proposed a heliocentric model of our solar system?

Answer

Copernicus

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What occurs when one celestial body passes through the shadow of another?

Answer

Eclipse

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What milestone in human space exploration took place in 1969?

Answer

First man on the moon

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What happens when the shadow of one celestial body falls on another?

Answer

Eclipse

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A body that orbits a celestial body that is greater in mass is a________ Answer

Satalite

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The Milky Way is a _______ galexy.

Answer

Spiral

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What 3 conditions are necessary to support life on Earth?

Answer

Oxygen, Temperature, Water

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Different colors are the result of ____________.

Answer

Varying wavelengths of light

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A star moving away from Earth has a spectrum that is shifted toward _____

Answer

Red

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visible light, radio waves, X rays, infrared light, and ultraviolet light

Answer

Electromagnetic Spectrum

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A star moving toward you shifts to what color?

Answer

Blue

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Analyzing the light a star emits can tell astronomers what 2 things?

Answer

temperature and composition

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Which celestial body was changed from being a planet to a dwarf planet?

Answer

Pluto

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The Earth formed approximately how many years ago?

Answer

4.6 billion years

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The time it takes for a body to complete a single orbit.

Answer

Orbital Period

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Usually seen close to Earth’s magnetic poles

Answer

Auroras

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Time when the Northern Hemisphere has the fewest daylight hours

Answer

Winter Solstice

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