Kaplan SC200/SC 200 Unit 2 Quiz Latest 2015 - 94251

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Question 1. Question : Which of the following affects the life of a star? gravitational force mass temperature fusion processes all of these are correct Question 2. Question : If you were to observe a pulsar, what would you see? a blinking red glow intermittent radio waves a steady glow that oscillates among the stars the sudden brightening of a star the total eclipse of the Sun Question 3. Question : Mendeleev's periodic table was organized according to rules of scientific method. Which statement below follows those rules? The periodic table made predictions that could be tested. Only scientists could understand the periodic table. Information that refuted Mendeleev's hypothesis was ignored. Mendeleev's listed the elements alphabetically. The periodic table has not changed in 100 years. Question 4. Question : The difference in appearance of a star from other stars is a function of the star's gravitational force on the Earth. how far away the star is from other stars. the total energy emitted by the star. the composition of the core of the star. the star's absolute brightness. Question 5. Question : An object in the universe that will not allow the escape of anything from its gravitational field is a white dwarf black hole pulsar red dwarf neutron star Question 6. Question : Which type of star is produced after a large star explodes in a supernova? a red giant a neutron star a proton star a red dwarf a white dwarf Question 7. Question : The total collection of photons emitted by an atom is called its electromagnetic image periodic position spectrum energy signature stimulated emission Question 8. Question : Which region of the electromagnetic spectrum can easily reach a telescope on the earth's surface? radio waves microwaves ultraviolet X-rays gamma rays Question 9. Question : The Hertzsprung-Russell diagram is a graphical technique used in astronomy to compare the surface temperature versus the energy output of a star. the star's luminosity versus its distance from Earth. the absolute magnitude of the star versus the star's relative temperature. the distance the Sun is from the nearest red giant. the location of possible solar systems in the Milky Way. Question 10. Question : The dense, central portion of an atom is its protons neutrons nucleus electrons spectrum Question 11. Question : A material that cannot be broken down any further without losing its chemical properties is an ion a molecule an element a photon a laser Question 12. Question : The electrically neutral particle found in an atom is the photon neutron electron nucleus Question 13. Question : An electrically charged atom is a proton an ion an electron a neutron a molecule
Solution Description

Question 1. Question :

Which of the following affects the life of a star?

gravitational force

mass

temperature

fusion processes

all of these are correct

Question 2. Question :

If you were to observe a pulsar, what would you see?

a blinking red glow

intermittent radio waves

a steady glow that oscillates among the stars

the sudden brightening of a star

the total eclipse of the Sun

Question 3. Question :

Mendeleev's periodic table was organized according to rules of scientific method. Which statement below follows those rul

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