Magnetism
a force which acts on an object without coming physically in contact with it
What is a non-contact force?
unit of measurement for speed
What is m/s?
energy an object has due to motion
What is kinetic energy?
Age of fishes
What is the Devonian period?
the three ferromagnetic materials
What is iron, cobalt and nickel?
a change in speed or direction
what is acceleration
energy and object has when stationary
What is potential energy?
age of dinosaurs/reptiles
Mesozoic era
the chemical symbols for the three ferromagnetic materials
What is Fe, Ni and Co?
speed with a direction attached
What is velocity?
energy resulting from the flow of electric particles
What is electrical energy
age of mammals
an object is magnetized
What is when the domains are aligned
the energy when you stretch a rubber band
What is elastic potential energy?
oldest era in earth's history
What is the precambrian era?
the invisible force around a magnet that can be seen with a compass
What is a magnetic field?
the speed of an object at a specific moment in time
What is instantaneous speed?
energy cannot be destroyed nor created; it can only be transferred
What is the conservation of energy?
era we are currently in
What is the Cenozoic era?