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- 1. Multiple Choice
The Big Bang Theory postulates that our universe formed as the result of a huge explosion that sent all existing matter flying outward from a single point. Which of the following observations is used as evidence of this theory?
All galaxies appear to be moving away from all other galaxies.
Many galaxies have similar shapes that include a spiral shape.
Gravity holds all the components of a galaxy in the same general area.
Light we see from some distant galaxies was emitted long ago.
- 2. Multiple Choice
The theory of the origin of the universe that is most popular among space scientists suggests that our universe originated how long ago?
10 – 20 centuries ago
10 – 20 thousand years ago
10 – 20 million years ago
10 – 20 billion years ago
- 3. Multiple Choice
The Big Bang Theory of the origin of the universe is supported by evidence that shows that light from every star is shifted to longer wavelengths. This evidence supports the Big Bang Theory because it shows that stars we observe -
are moving away from us.
emit mostly red wavelengths.
use nuclear fusion to make light.
are all older than our Sun.
- 4. Multiple Choice
Which of the following best describes a general trend in the change of the characteristics of the universe over time, which agrees with our current understanding of the formation of the universe? The universe is changing from -
cooler to hotter.
more dense to less dense.
more complex to less complex.
very large to very small.
- 5. Multiple Choice
Which of the following observations is evidence that supports the Big Bang Theory explanation for the origin of the universe?
Solar emission of infrared light.
Different positions of ancient continents.
Which of the following observations is evidence that supports the Big Bang Theory explanation for the origin of the universe?
Orbital speeds of distant planets.
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