a quality that tends to produce movement or acceleration of a body in the direction of its application; a push or a pull
What is force?
100
the emission and propagation of the entire range of the
electromagnetic spectrum including: gamma rays, x-rays, ultraviolet radiation, visible light, microwaves, and radio waves
What is electromagnetic radiation?
100
the pivot point of a lever
What is fulcrum?
100
a set of objects, organisms, or different parts acting to form a whole
What is system?
100
a type of simple machine; a circular lever, usually a wheel
with a groove where a rope can be placed and used to
change the direction of a force
What is a pulley?
200
the number of cycles or waves per unit time
What is frequency?
200
a quantity that describes the capacity to do work; a source of usable power
What is energy?
200
one of the fundamental states of matter in which molecules do not have fixed volume or shape
What is gas?
200
the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a scientific experiment
What is a variable?
200
having a definite shape and a definite volume; one of the
fundamental states of matter
What is a solid?
300
a force that opposes the relative motion of two material in contact with one another
What is friction?
300
a change of energy from one form to another (e.g., mechanical to electrical, solar to electrical)
What is energy transfer?
300
a type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point
What is a inclined plane?
300
one of the fundamental states of matter with a definite
volume but no definite shape
What is a liquid?
300
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is speed?
400
a force of attraction between two masses
What is gravitation?
400
a measure of randomness or disorder of a closed system
What is entropy?
400
a type of simple machine; consists of a rigid bar that pivots about a fulcrum, used to transmit and enhance power or motion
What is a lever?
400
having the property of attracting iron and certain other
materials by virtue of a surrounding field of force
What is magnetic?
400
a form of energy resulting from the temperature difference between a system and its surroundings
What is heat?
500
the observed effect of the force of gravitation
What is gravity?
500
the process in which a liquid is converted to its vapor phase by heating the liquid
What is evaporation?
500
electromagnetic radiation that lies within the visible range
What is a light?
500
the region where magnetic force exist around magnets or
electric currents
What is a magnetic field?
500
the property of an object, due to its mass, that causes it to
resist any change in its motion unless overcome by a force