Vocab 1
electric potential or potential difference expressed in volts.
voltage.
a slender usually pointed and headed fastener designed to be pounded in.
nail.
invented the lightbulb.
Thomas Edison.
a smooth-edged strip (as of wood or metal) that is usually marked off in units (such as inches) and is used as a straightedge or for measuring.
ruler.
the smallest particle in existence.
atom.
mechanical radiant energy that is transmitted by longitudinal pressure waves in a material medium (such as air) and is the objective cause of hearing.
sound.
a nail-shaped or rod-shaped piece with a spiral groove and a slotted or recessed head designed to be inserted into material by rotating.
screw.
considered to be the best engineer of all time.
Nikola Tesla.
a usually electronic device for performing mathematical equations.
calculator.
a movement of negative and positive charged particles.
electric current.
a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter.
joule.
a device for making, breaking, or changing the connections in an electrical circuit.
switch.
the first latina woman in space and contributions towards space missions.
Ellen Ochoa.
a small battery-operated portable electric light.
flashlight.
a current flowing in one direction.
direct current.
a unit of resistance.
Ohm.
a flat thin ring or a perforated plate used in joints or assemblies to ensure tightness, prevent leakage, or relieve friction.
washer.
Richard Feynman.
any of various measuring instruments having two usually adjustable arms, legs, or jaws used especially to measure diameter or thickness.
calipers.
electromagnetic radiation.
photon.
the practical meter-kilogram-second unit of electric charge equal to the quantity of electricity transferred by a current of one ampere in one second.
coulomb.
a perforated block usually of metal that has an internal screw thread and is used on a bolt or screw for tightening or holding something.
nut.
the first engineer ever and the father of engineering.
Sir Mokshagundam Visvesvaraya.
an instrument for measuring the properties of an electrical circuit (such as resistance, voltage, or current.)
multimeter.
the electrons found on the outermost ring.
valence electrons.