Origins of the Universe Quick Check
1 of 31 of 3 Items
Question
Which describes nuclear fusion?(1 point)
Responses
starts when two atoms slam together to form one, heavier atom
starts when two atoms slam together to form one, heavier atom
starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms
starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when two atoms slam together, causing the larger atom to split into two smaller atoms
starts when two atoms slam together, causing the larger atom to split into two smaller atoms
5 answers
2 of 32 of 3 Items
Question
Which describes nuclear fission?(1 point)
Responses
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when a neutron slams into an atom, causing two atoms to form one, heavier atom
starts when two atoms slam together, causing the larger atom to split into two smaller atoms
starts when two atoms slam together, causing the larger atom to split into two smaller atoms
starts when two atoms slam together to form one, heavier atom
starts when two atoms slam together to form one, heavier atom
starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms
3 of 33 of 3 Items
Question
What does the evidence supporting the Big Bang theory assume about the universe when it began? Select the two correct answers.(1 point)
Responses
It was very tiny.
It was very tiny.
It was contracting
It was contracting
It was extremely hot.
It was extremely hot.
It was composed of ice.
It was extremely hot.