Chapter 4 Science Word Scramble
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Term | Definition |
Big Bang | the initial explosion that resulted in the formation and expansion of the universe |
Hubble's Law | the observation that the farther away a galaxy is, the faster it is moving away |
Cosmic background radiation | the electromagnetic radiation left over from the big bang |
Dark Matter | matter that does not give off electromagnetic radiation but is quite abundant in the universe |
Dark Energy | a mysterious force that appears to be causing the expansion of the universe to accelerate |
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dguilliams
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