Most nuclear weapons today contain a fissile trigger made of a hollow sphere of plutonium, which is called a ________, which must be imploded by concentrically placed charges of high-explosive on its exterior surface.

This type of bone cell detects weak spots in bone, so that it can be remodeled and strengthened:

One ton (in the US) is equal to:

Most modern thermonuclear weapons use a hollow sphere of plutonium-239 (Pu239), called a “pit”, as the atomic trigger. The US and Russia each currently have 15,000 to 20,000 plutonium pits in storage.

When you “enrich” uranium, you are ___________ the isotope ____________.

ICBMs are ________ weapons (most are in silos, but can also be made mobile by mounting them on trucks or trains) and SLBMs are __________ weapons.

What type of tissue is this? [skeletal] Where in the body do you find this kind of tissue? [bone] What is the function of this tissue? [move]

The explosive power of atomic (nuclear) weapons is described as the __________ of the weapon.

According to the “Status of World Nuclear Forces- 2023”, published by the Federation of American Scientists, there are now a total of ______ nations that possess nuclear weapons.

A mass fire or “firestorm” is fire of great size and intensity, in which hundreds or thousands of fires are _____________ over a very large area (many square miles). These fires then coalesce to become _____________.