Click on the radio button in front of the correct answers to the questions.
1. This is a hot glowing ball of gas.
planet moon star
2. The source of a star's light is
nuclear energy mechanical energy gravity
3. The sun is the largest of stars.
True False
4. The word magnitude is used to describe a star's
mass density brightness
5. The light from stars is made up of
wavelengths filaments meteors
6. The hotter the star the longer its wavelength.
7. The color of a star depends on
where it is in the galaxy temperature what constellation it is in
8. Stars are made up mainly of
helium hydrogen silicon
9. The sun's visible light is created by
fusion of hydrogen atoms to helium rotating more quickly on its axis being bombarded by meteors.
10. Stars generally live eternally or forever.