Today's Rocket Words: Your 5 words and meanings to learn
silicon
the chemical element of atomic number 14, a non-metal with semiconducting properties, used in making electronic circuits
insulator (electrical)
a poor conductor of an electrical current
semiconductor
a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects
graphite
a soft form of carbon that is a conductor of electricity
metalloid
an element whose properties are in between those of metals and solid non-metals or semiconductors