Rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction.
What is Acceleration
100
the smallest unit of a chemical element that can still retain the properties of that element.
What is an atom
100
a quantity that describes the capacity to do work; a source of usable power.
What is Energy
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 Pulley
100
the factor that is changed in an experiment in order to study changes in the dependent variable
What is Dependent Variable
200
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
200
a substance that cannot be reduced to a simpler substance by chemical mean
What is Element
200
emission of energy in the form of rays or waves
What is Radiation
200
a reaction or a change in a substance produced by chemical means that results in producing a different chemical
What is Chemical Change
200
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
What is Experiment
300
amount of distance traveled divided by time taken; the time-rate at which any physical process takes place.
What is Speed
300
a subatomic particle having zero charge, found in the nucleus of an atom
What is Neutron
300
: a form of energy resulting from the temperature difference between a system and its surroundings.
What is Heat
300
concentration of matter of an object; number of individuals in the same species that live in a given area; the mass per unit volume of a substance in a given area
What is Density
300
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
400
the property of an object, due to its mass, that causes it to resist any change in its motion unless overcome by a force.
What is Inertia
400
a subatomic particle having a positive charge and which is found in the nucleus of an atom.
What is a Proton
400
the process of changing from a gas (i.e., water vapor) to a liquid (i.e., dew); the act of making more dense or compact.
What is Condensation
400
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
400
a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information
What is Scientific Method
500
a force that opposes the relative motion of two material surfaces in contact with one another.
What is Friction
500
a stable elementary particle that is negatively charged and orbits the nucleus of an atom.
What is Electron
500
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
500
one of the fundamental states of matter with a definite volume but no definite shape
What is Liquid
500
the factor that is changed in an experiment in order to study changes in the dependent variable