Only electricity production
It has been thought so, and usually is safe, but events like Chernobyl and Fukushima show that occasionally something outside what is predicted can happen, and the consequences can be very unsettling for the nearby population. Our modern society needs energy though, and all forms of energy use carry some risk. Coal mining has always been dangerous, and oil extraction can also go very wrong sometimes, as in the Gulf last year.
If you mean energy produced by nuclear reactors, then "heat" and "light" would be the answers (Just think of the sun)
turbins and nuclear rods
Uranium (or plutonium) is a source of energy (nuclear fuel) in nuclear power plants.
Those most at risk in a nuclear energy accident are the workers at the nuclear facility itself.
All material uses nuclear energy.
Batteries use chemical energy to create voltage to drive current flow. They do not use nuclear energy.
All material uses nuclear energy.
The use of nuclear energy
we use nuclear because it helps save energy
We use nuclear fission in nuclear reactors to tap nuclear energy.
In nuclear fission reactors
If you use nuclear energy in place of fossil fuels, you are conserving the fossil fuel, that is reducing the amount you use.
Nuclear energy Nuclear weapons
They use nuclear energy to produce power for the grid.
The main use of nuclear energy is to produce electricity. Nuclear energy is also used in the field of medicine and military purposes.