match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only once. a blankpredicts that the strong, weak, and electromagnetic forces should become indistinguishable at high temperatures
1. A grand unified theory predicts that the strong, weak, and electromagnetic forces should become indistinguishable at high temperatures
2. The electroweak force is a single force that unifies the electromagnetic and weak forces.
3. Inflation was a dramatic expansion of the universe thought to have occurred when the universe was only a tiny fraction of a second old.
4. Olbers' paradox forces us to think about why the sky is dark at night.
5. Observations of the cosmic microwave background provide a way to test our theory of the Big Bang.
6. When a particle of ordinary matter meets its precise opposite particle of antimatter, the result is annihilation with complete conversion of mass into energy.