Section 1 Test (Intro, C5, Lab Review)Name:_________________________Chemistry1. At what time point in the Universe's history is it theorized that all the forces in nature appear along with particles,neutrons, protons, and electrons?a. Three minutes after the Big Bangb. 500,000 years after the Big Bangc. 500,000 years agod. One second after the Big Bang
2. Six billion years after the Big Bang, within galaxies, stars are born and die, often in enormous explosions called _____.The explosions of these stars distribute common elements, such as oxygen, carbon, nitrogen, calcium, and iron intospace.
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3. How many years ago is it theorized that our Milky Way Galaxy formed
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4. It is theorized that Helium (He) and Hydrogen (H) were the initial elements formed after ‘The big bang.”
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5. What are the main pieces of supporting evidence for the Big Bang theory?a. The universe is expanding, kinds and amounts of elements are as predicted, existence of cosmicbackground radiation.b. The universe is contracting, kinds and amounts of elements are as predicted, existence of cosmic backgroundradiation.c. The universe is getting colder and the universe is contracting.d. The universe is expanding and the existence of cosmic background radiation.
