The Sun
3 years ago
Host a game
Live GameLive
Solo Practice
20 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The sun converts matter into energy in the
    answer choices
    radiative zone
    convection zone
  • Question 2
    30 seconds
    Q. Most of the sun’s energy is a result of
    answer choices
    nuclear fusion  
    nuclear fission
    atomic reactions
    coronal mass ejection
  • Question 3
    30 seconds
    Q. When hydrogen nuclei fuse into helium nuclei
    answer choices
    the nuclei die.
    energy is released.
    particles collide
    particles neutralize.
  • Question 4
    30 seconds
    Q. Auroras are frequently seen
    answer choices
    near the equator.
    before a sunspot cycle.
    every 11 years.
    after solar flares.
  • Question 5
    30 seconds
    Q. Which of the following is NOT a solar ejection?
    answer choices
    solar flare
    coronal mass ejection
  • Question 6
    30 seconds
    Q. Sunspots vary in a cycle that lasts about
    answer choices
    110 yrs
    11,000 yrs
    11 yrs
    110,000 yrs
  • Question 7
    30 seconds
    Q. Strong magnetic fields on regions of the sun lead to sunspots because
    answer choices
    convection slows and energy decreases.
    convection increases and energy increases.
    radiation slows and energy decreases.
    radiation increases and energy increases.
  • Question 8
    30 seconds
    Q. In the equation E=mc2, the letter E represents
    answer choices
    the energy that is produced.
    the mass that is converted.
    the speed of light.
    the distance to Earth from the sun.
  • Question 9
    30 seconds
    Q. What is the hottest layer of the sun’s atmosphere called?
    answer choices
    convective zone
    radiative zone
  • Question 10
    30 seconds
    Q. What elements make up most of the sun’s mass?
    answer choices
    carbon and oxygen
    carbon and hydrogen
    helium and nitrogen
    hydrogen and helium
  • Question 11
    30 seconds
    Q. Particles thrown off the sun’s corona that can affect Earth’s magnetic field are called
    answer choices
    a coronal mass ejection.
    a coronal mass reflection
    nuclear fusion
  • Question 12
    30 seconds
    Q. During nuclear fusion in the sun, which of the following occurs?
    answer choices
    Atomic nuclei split apart.
    The aurora australis appears.
    hydrogen nuclei combine to produce a helium nucleus.
    A solar eclipse results
  • Question 13
    30 seconds
    Q. Scientists break up the sun’s light into a spectrum using a device called a
    answer choices
  • Question 14
    30 seconds
    Q. What is a prominence on the sun?
    answer choices
    a part of the sun’s corona, a cloud of colored gas
    a disturbance in the sun’s atmosphere; an arched, glowing cloud of gas
    a part of the convective zone, a cool area with powerful magnetic fields
    a magnetic disruption in the sun’s photosphere
  • Question 15
    30 seconds
    Q. What are northern lights?
    answer choices
    solar flares
  • Question 16
    30 seconds
    Q. Magnetic fields on the sun are produced by the sun’s uneven rotation and
    answer choices
    the movement of sunspots on the sun’s surface.
    the movement of gases in the corona.
    gases in the convective zone.
    gases in the radiation zone.
  • Question 17
    30 seconds
    Q. Astronomers observing spectral lines can observe red or blue shifts kn wavelengths, which can be used to determine
    answer choices
    the direction of a star's motion
    the composition of a star
    the temperature of a star
    the classification of a star
  • Question 18
    30 seconds
    Q. What is a light year?
    answer choices
    the speed that light travels in a year
    the speed that light travels from the sun to earth
    the distance light travels in a year
  • Question 19
    30 seconds
    Q. What type of galaxy is the Milky Way?
    answer choices
    Spiral galaxy
    Elliptical galaxy
    Globular cluster
  • Question 20
    30 seconds
    Q. How many stars are there in the Milky Way?
    answer choices
    Hundreds of thousands
    Hundreds of millions
    Hundreds of billions
Report Quiz
Join a game