Chapter 22 Review Question Preview (ID: 51135)
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What is an umbra and how is it formed?
a) The shadow of Earth; the earth passes between the Moon and the sun and the shadow is cast
b) An arch produced during a coronal mass ejection; an explosion of mammoth proportions.
c) The shadow of the moon; the moon passes between Earth and the sun and the shadow is cast
d) A cool spot on the surface of the sun that is seen during a solar minimum; no one knows why portions of the sun cool off.
About how many tons of atmosphere does the moon hold?
a) 4
b) 1000
c) 100
d) 10
What are the long streaks of ejected moon material that travel across the surface of the moon after a meteor impact called?
a) rays
b) streaks
c) craters
d) lunar floof
Why does the sun appear yellow?
a) Yellow is the only color the sun produces.
b) It's most intense output is in the yellow spectrum and our eyes and brains are most sensitive to yellow.
c) We COULD see other colors, if we concentrated; yellow is just the easiest for us.
d) The sun's primary composition is sulfur, which burns bright yellow when ignited.
Define the term: visible spectrum
a) the arrangement of light photons that are visible to animals
b) the ability for animals and plants to make use of ANY light produced by the sun
c) the wavelength of light that can be seen by the naked eye
d) all the light which is visible to the human eye, even with help of conversion equipment (infrared and thermal goggles, etc.)
During which SEASON of the sun's solar cycle do the most sun spots occur?
a) solar maximum
b) solar minimum
c) coronal mass ejection
d) Groundhog's Day
How is energy in the sun created?
a) nuclear fusion
b) nuclear fission
c) nuclear difusion
d) a HUGE hamster wheel
In which layer of the sun is plasma found?
a) conductive zone
b) corona
c) core
d) radiative zone
What is the outermost layer of the sun's atmosphere called?
a) aurora borealis
b) solar maximum
c) CME
d) corona
What are the names for the various layers of the sun?
a) Crust, Core, Mantel
b) Core, Radiative Zone, Conduction Zone
c) Core, Radiative Zone, Convective Zone
d) Core, Crust, Corona
The mass of the moon is about ________ the mass of the earth?
a) 1.2% (1 1/5)
b) 5.7% (5 7/10)
c) 0.17% (1/6)
d) 0.88% (11/25)
Which planet has the largest moon in our solar system?
a) Jupiter
b) Saturn
c) Mars
d) Earth
What are the four layers of the moon’s interior?
a) crust, mantel, core, corona
b) solid inner core, fluidic outer core, fluidic transitional mantel, crust
c) core, fluidic inner corona, transitional outer corona, crust
d) fluidic inner core, solid outer core, mantel, crust
What is created when a meteor or an asteroid breaks apart and makes a series of craters in a straight line across the surface of the moon?
a) crater chain
b) crater string
c) impact chain
d) impact string
What is the leading theory about how maria were formed on the moon?
a) Mice gnawed away at the cheese the moon is made of.
b) Asteroids repeatedly hit the name places on the moon, creating MASSIVE craters that filled with lava when volcanos erupted
c) They're natural entities that happened when the moon congealed after Theia collided with Earth.
d) High-velocity asteroids crashed into the surface, making deep impacts that resulted in the giant holes filling with lava.
The apparent path that the sun travels through the sky is called ____________.
a) the ecliptic
b) the elliptic
c) orbit
d) Carole Baskin
What is the difference between the earth’s revolution and the earth’s rotation?
a) A rotation is it traveling around the sun, a revolution is it spinning on its axis
b) A revolution is it traveling around the sun, a rotation is it spinning on it’s axis
c) TRICK QUESTION! A revolution is Earth trip around the sun, the rotation is the moon's trip around the earth.
d) TRICK QUESTION! They're the same thing!
On average, about how far is the moon from the earth?
a) 238,000 miles
b) 528,000 miles
c) 1,000,000 miles
d) 1 light year
When the moon passes between the sun and the earth, what celestial anomaly is seen?
a) solar-lunar lombardia
b) CME
c) lunar eclipse
d) solar eclipse
What is an Earth Tide?
a) When the gravity from the moon (and sun) pull on the earth and cause the actual land to bulge as much as 2.5 feet.
b) The tide that occurs when the sun and the moon are aligned and causing bigger-than-normal swells in the ocean.
c) The tide that occurs when the sun and the moon are perpendicularly adjacent, causing weaker waves in the ocean.
d) The earth and the moon are aligned and it causes a gravitational pulling on the plasma on the sun.
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