Nuclear Radiation Crossword Puzzle

QUESTIONS LIST:

• proton: positively charged particle
• gamma: high energy em wave
• neutron: a neutral particle in the centre of a atom
• joule: unit of energy
• electron: negatively charge particle which orbits a nucleus
• beta: a fast moving electron
• ionisation: loss or gain of an electron
• sievert: unit of equivalent dose
• activity: the number of disintegrations per second
• fusion: two smaller nuclei combine to form one larger nucleus plus energy
• grays: unit of absorbed dose
• nucleus: the centre of an atom
• half life: the time it takes for the activity of the source to half
• fission: large nucleus splits and releases neutrons plus energy
• alpha: a helium nucleus
• bequerels: unit of activity