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Big Bang Concepts Vocabulary

Across
If gravity overcomes the expansion of our universe, then the universe will end in a _____.
Stretching of light waves
Matter we can't see
Goes around a proton
Maximum speed in the universe
Heat waves
Test of a hypothesis
You have one in your kitchen, but this is a type of light....
Name of the theory currently accepted for how the Universe began.
Anything that goes in can never escape, including light.
Down
Used to look at your bones
Everything and anything we can see is inside of it
Possible source of the Big Bang, but not testable
Energy we can't see
Compression of light waves
Testable idea in the scientific method
Light we can see
Roy G. Biv
Milky way _______
This is important in determining the color of light we see.