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
A subatomic particle having a positive charge and which is
found in the nucleus of an atom.
What is Proton
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
200
The number of cycles or waves per unit time.
What is Frequency
200
A stable elementary particle that is negatively charged and
orbits the nucleus of an atom.
What is Electron
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 Variable
300
A force that opposes the relative motion of two material
surfaces in contact with one another.
What is Friction
300
A substance that cannot be reduced to a simpler substance
by chemical means
What is Element
300
A change of energy from one form to another (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 Inclined plane
300
Factor being measured or observed in an experiment.
What is Dependent Variable
400
A force of attraction between two masses.
What is Gravitation
400
A particle, object, or system that lacks a net charge.
What is Neutral
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 Lever
400
The factor that is changed in an experiment in order to study
changes in the dependent variable.
What is Independent variable
500
The observed effect of the force of gravitation.
What is Gravity
500
A subatomic particle having zero charge, found in the
nucleus of an atom.
What is Neutron
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 Light
500
A procedure that is carried out and repeated under
controlled conditions in order to discover, demonstrate, or
test a hypothesis; includes all components of the scientific
method.