Ch. 1 Vocabulary

Controlled situation set up specifically to observe what happens under a well-defined set of circumstances.

Rate at which a cyclic behavior repeats. It is the inverse of period.

Description or explanation that does not involve or predict numerical values.

Well-verified set of explanations that typically are supported by a large body of scientific evidence.

The error in the average of a set of measurements.

Including all inventions, devices, processes, and products developed by humans. This is the output of engineering.

The unavoidable difference between a real measurement and the unknown true value of the quantity being measured.

Description only of what has actually occurred without opinion, interpretation, or exaggeration.

Ability to obtain the same results for by doing the same experiment in the same way.

Description or explanation that involves or predicts numerical values.

Value obtained by adding up all their measurement values and dividing by the total number measurements.

Three colors of pigments (CMY) that absorb light and, when mixed in various proportions, can reflect any color.

Creative application of science to design technologies that solve problems or meet needs.

The average deviation of all the data points away from the average value of the whole set of data points.

Device that converts energy from the Sun's light into electricity.

Tentative explanation that may be tested and verified or revised based on the outcome of observations and experiments.

Action on a body that causes change in motion. Measured in Newtons.(N)

Quantity that causes matter to change and mediates how much change occurs

Field of science that explains physical phenomena at atomic scales.

Three colors (RGB) that, when added together in various combinations, can create any other color.

They are a traveling form of energy.

Rigorous method of developing and testing knowledge by comparing hypotheses against objective observational evidence.

Smallest particle of an element that consists of a heavy nucleus surrounded by one or more electrons.

Physical substance that has mass and takes up space