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The Sun

QuestionAnswer
Which of the following are layers of the atmosphere of the Sun? A) lithosphere and asthenosphere B) photosphere and corona C) prominences D) sunspots and solar flares B
Which layer of the Sun do we usually see? A) Core B) Corona C) Photosphere D) Prominence C
What is the most prominent layer and innermost layer of the Sun’s atmosphere called? A) Asthenosphere B) Corona C) Lithosphere D) Photosphere D
The outermost layer of the Sun’s atmosphere is the _____. A) corona B) photosphere C) exosphere D) thermosphere A
The outer region of the Sun’s _______ stretches far into space. A) mantle B) photosphere C) corona D) core C
. Which part of the Sun is visible during a solar eclipse? A) Core B) Corona C) Sunspots D) Photosphere B
Sunspots appear dark because they are _____ than the rest of the Sun’s surface. A) cooler B) hotter C) more magnetic D) hotter or cooler depending on the kind of sunspot A
How do sunspots differ from prominence/solar flares? A)Sunspots are hotter than prominences and solar flares.B)Sunspots have greater explosions than prominences and solar flares.C)Sunspots are areas that are cooler than prominences and solar flares. C
. Huge, looping eruptions of gas that arch out from the photosphere are known as _____. A) auroras B) flares C) prominences D) solar winds C
The same forces that create sunspots cause other disturbances in the Sun’s atmosphere. What is one type of these disturbances called? A) sunspot cycle B) prominence C) corona D) photosphere B
Prominences usually occur in areas near _____ on the Sun. A) the corona B) solar flares C) the photosphere D) sunspots D
Explosions of hot gas shoot from the Sun’s surface. What causes these solar flares to occur?A)Sunspots come together on the photosphere.B)The photosphere releases extra heat and light.C)Prominences connect releasing tremendous amount of C
The Sun’s photosphere gives off radiation that reaches Earth as _____. A) solar storms B) heat and light C) magnetic storms D) the auroras B
. Most of the Sun’s radiation that reaches Earth’s surface is _____. A) infrared and visible light B) ultraviolet and infrared C) ultraviolet and microwaves D) radio waves and gamma rays A
Which atmospheric layer of the Sun’s atmosphere sends out high-energy particles out into space? A) Corona B) Ionosphere C) Photosphere D) Prominence A
The Earth’s magnetic field _____. A) causes charged particles to be released from the Sun B) deflects many charged particles away from Earth C) helps in the formation of prominences on the Sun D) prevents ultraviolet radiation from reaching Earth B
Powerful solar storms release electrically charged particles. These particles can interfere with _____ on Earth. A) tides B) seasons C) organisms D) communications D
Which of the following would cause radio interference on Earth? A) Auroras and solar eclipses B) Sunspots and prominences C) Solar wind and solar flares D) Magnetic fields and ultraviolet waves C
Which best explanation for how auroras are produced?A)Electrically charged particles strike gas molecules in Earth’s atmosphere.B)Sunlight strikes water molecules in Earth’s atmosphere.C)Small dust particles reflect infrared light in all directions. A
Auroras form mainly near Earth’s poles because _____.A)there are holes in the atmosphere at the polesB)the Sun directs solar wind at the polesC)there is less visible sunlight at the poles D) Earth’s magnetic field directs charged particles to the poles D
Which of the following describes one way that solar wind affects Earth? A) It changes Earth’s orbit around the Sun. B) It causes change to Earth’s magnetic field. C) It increases the temperature of Earth’s surface. B
How can the magnetic storms produced by the particles from solar flares affect satellites orbiting Earth? A) They can cause disruption of satellite signals to Earth. B) They can increase the transmission range of some satellites. A
Earth’s atmos helps life on Earth by all of the following EXCEPT _____.A)absorbing harmful EMS wavesB)protecting Earth from solar wind particlesC)combining with charged partS to produce aurorasD)filtering heat and light coming from the Sun’s photosphere D
Some solar flares send out high-energy particles. Why are these particles not usually harmful to humans on Earth? A) The moon protects Earth. B) The oceans protect Earth. C) The atmosphere and magnetic field protect Earth C
. Magnetic storms caused by _____ can cause compass needles to move back and forth, making compasses hard to read. A) a solar eclipse B) a lunar eclipse C) the Sun’s corona D) solar flares D
Approximately 8 min after a certain event happens, radio and TV communications were disrupted in NA. What event caused this to happen? A)A total solar eclipseB)A malfunction of several communication satellitesC)Magnetic storms created by solar winds C
A display of arcs, lights, and streamers in the polar regions is produced as charged particles enter Earth’s atmosphere at the poles. These charged particles come from _____. A) star particles in outer space B) the solar wind streaming from the Sun B
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