Science W4 L3 - 6 Forms of Ionizing Radiation Flashcards
1
Q
-composed of 2 protons, and 2 neutrons
-comes from the DECAY of radioactive elements (uranium, radium, polonium)
A
Alpha Particles
2
Q
-SMALL, FAST-MOVING, Negative Electric Charge, emitted from an atom’s nucleus during decay
-LESS Damaging than Alpha Particles
A
Beta Particles
3
Q
-WEIGHTLESS packet of energy called photons
-can easily penetrate barriers
-found INSIDE the nucleus
A
Gamma Ray Particles
4
Q
cleaner, lower energy than gamma ray
OUTSIDE the nucleus
A
X-Ray Particles
5
Q
from outer space
A
Cosmic Radiation
6
Q
-presents itself as free neutrons
-produced mainly in nuclear power plant
A
Neutrons