to increase speed or change direction
the change of speed over time
how fast something moves over a certain distance
a written description or diagram based on ideas and observations
occurs when the change in speed or acceleration occurs in the negative direction
the variable in an experiment that changes in response to the choices made
the acceleration of a falling object under the influence of gravity
a model that shows the relationship between two variables on a graph so that the relationship is easily seen and understood
the attractive force that exists between any two objects that have mass
the variable in an experiment that is manipulated by the experimenter and that causes change in the dependent variable in the experiment; plotted in the x-axis of a graph
the speed of an object at specific point
models that are made of materials that can be touched and measured
a model that represents relationships between variables
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