Fission and Fusion

neutrons

Two or three ________ are also released when an atom splits.

Fusion

________ released a lot of energy.

separate light nuclei

Heavier nucleus produced does not have as much mass as the two ________ did.

new lighter elements

When the atom splits it forms two ________ that are roughly the same size.

chain reactions

Uncontrolled ________ quickly lead to lots of energy being released as an explosion- this is how nuclear weapons work.

light nuclei

Two ________ collide at high speed and join to create larger, heavier nucleus.

Nuclear fission

________- splitting a large, unstable nucleus.

Nuclear fusion

________ is the opposite of nuclear fission.

kinetic energy

The energy not transferred to the ________ is carried away by gamma rays.

amount of energy

The ________ produced by fission in a nuclear reactor is controlled by changing how quickly the chain reaction can occur, which is done by control rods.

nuclear reaction used to release energy

nuclear fission is a type of____________

joining of small nuclei

nuclear fusion is the______

opposite

nuclear fission is______to nuclear fusion

form a larger,heavier nuclei

in nuclear fusion, two nuclei collide to______

energy

fusion releases lots of_______