Cosmology and Astronomy Worksheet
Explore the wonders of cosmology and astronomy with this Grade 9 science worksheet, covering topics from the Big Bang to celestial objects.
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Cosmology and Astronomy
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following theories describes the origin and evolution of the universe?
The Theory of Relativity
The Big Bang Theory
The Theory of Evolution
The Law of Gravity
2. What is the name of our galaxy?
Andromeda
Triangulum
Milky Way
Whirlpool
3. A large celestial body that orbits a star and does not produce its own light is called a .
4. The force that attracts any two objects with mass is called .
5. Our Sun is a yellow dwarf star.
True
False
6. Black holes are regions of spacetime where gravity is so strong that nothing, not even light, can escape.
True
False
7. Briefly explain the concept of cosmic microwave background radiation and its significance in cosmology.
8. Label the planets in the solar system diagram below.

1.
2.
3.
4.
5.
6.
7.
8.