1) The main theory of how the Universe was formed is called? a) The Steady state theory b) The Big Bang theory c) Inflation theory 2) The early Universe was small as well as ______ and _______? a) Cold and empty b) Cold and dense c) Hot and dense 3) The Universe is how old? a) 13.7 billion years b) 12.7 billion years c) 14.7 billion years 4) After coming into existence the Universe did what rapdily? a) Expanded b) Contracted c) Heated 5) Eventually the Universe cooled enough for energy to form _________? a) Wood b) Metals c) Matter and antimatter 6) The first element produced in the Universe was ___________? a) Calcium b) Hydrogen c) Oxygen 7) Giant clouds of hydrogen came together to form stars. Which force made this possible? a) Gravity b) Magnetic c) Electric

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