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This printable supports Next Generation Science Standards Disciplinary Core Idea ESS1A and NGSS 5-ESS1-1.

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The Sun's Brightness (Grade 5)

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The Sun's Brightness

1. 
It is safe to look directly at the sun as long as you are wearing sunglasses.
  1. True
  2. False
 
2. 
All stars are the same distance from the Earth.
  1. True
  2. False
3. 
The sun looks so bright because it is located much                 the Earth than other stars.
  1. closer to
  2. farther from
 
4. 
Why can we see the stars in the night sky?
  1. they produce their own light
  2. they reflect light from the sun
5. 
The Sun is the                 to the Earth.
  1. closest planet
  2. closest star
  3. farthest star
  4. farthest planet
 
6. 
The sun is about                 million miles away from earth.
  1. 80
  2. 83
  3. 93
  4. 73
7. 
Which best explains why the sun appears brighter in the day than the stars appear at night?
  1. the sun is much larger than the Earth
  2. the sun is much larger than the other stars
  3. the sun is much hotter than the other stars
  4. the sun is much closer to Earth than the other stars
 
8. 
Star A and Star B are identical. However, Star A looks dimmer than Star B. Which statement may explain why Star A seems dimmer than Star B?
  1. Star A is closer to the observer than Star B
  2. Star B is closer to the observer than Star A
9. 
Alpha Centauri is the next closest star system to our solar system. Imagine that you are able to travel to the Alpha Centauri system. From there you look back at our sun.

Which statement describes how the sun looks from your new location compared to how it looks from Earth?
  1. the sun looks larger and brighter
  2. the sun looks smaller and brighter
  3. the sun looks larger and less bright
  4. the sun looks smaller and less bright
 
10. 
Distances between objects in space are very large. Instead of measuring distance in miles or kilometers, astronomers use a measurement unit called an astronomical unit (AU). 1 AU equals the average distance from the Earth to the sun. Sirius is the brightest star in the night sky. It is located about 544,000 AU from Earth.

Which statement correctly compares the apparent brightness of Sirius and the sun?
  1. Sirius looks brighter than the sun because it is located closer to Earth.
  2. The sun looks brighter than Sirius because it is located closer to Earth.

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