electrical conductor wound into the form of a spiral
coil
100
a combination of two or more cells electrically connected to work together to produce electric energy
battery
100
a piece of glass or other transparent material, used to converge or diverge transmitted light and form optical images
lens
100
the separation between two points, a scalar quantity
distance
100
Metals expand when heated and do what when cooled?
contract
200
an electric current of constant direction, having a magnitude that does not vary or varies only slightly
direct current
200
a complete path through which an electric current can flow
circuit
200
to take in without reflection
absorb
200
ratio of distance travelled to time interval
speed
200
The most recognized model of how the universe begun is known as the?
Big Bang
300
motor a device that converts electrical energy to mechanical torque
electric motor
300
a substance, body, or system that can carry electricity, heat, etc
conductor
300
lens a lens with surfaces that curve outward
convex
300
agent that results in accelerating or deforming an object
force
300
Infrared light has a wavelength that is too long or short to be visible for humans?
too long
400
a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it
electromagnet
400
a flow of electric charge through a conductor. Measured in amperes (A).
current (I)
400
a lens with inward-curving surfaces
concave lens
400
coordinate system used to define motion
frame of reference
400
Earth is located in which galaxy?
The Milky Way
500
any device for converting mechanical energy into electrical energy by electromagnetic induction
generator
500
the resistance between two points on a conductor when a constant potential difference of 1 volt between them produces a current of 1 ampere (Ω)
ohm (Ω)
500
a small area on the retina that is insensitive to light due to the interruption, where the optic nerve joins the retina, of the normal pattern of light-sensitive rods and cones