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AP Physics, Chapter I, Introducing Physics

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Section 1

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derived units

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Physics

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Date created

Mar 1, 2020

Cards (30)

Section 1

(30 cards)

derived units

Front

express as algebraic combinations of fundamental SI units.

Back

accuracy

Front

how close a measurement is to the correct value for that measurement.

Back

model

Front

representation of something that is often too difficult to display directly. Only accurate under limited situations.

Back

fundamental SI units

Front

meters, kilograms, seconds

Back

theory

Front

explanation for patterns in nature that is supported by scientific evidence and verifies multiple times by various groups of researchers.

Back

scientific method

Front

A systematic method of observing, experimenting, and analyzing to answer questions about the natural world.

Back

scientific law

Front

Uses concise language to describe a generalized pattern in nature that is supported by scientific evidence and repeated experiments.

Back

dependent variable

Front

The factor in an experiment that depends on the independent variable.

Back

line of best fit

Front

A line that best passes through or near graphed data; used to describe data and predict where new data will fall on the graph.

Back

inverse relationship

Front

A hyperbolic relationship that exists when one variable depends on the inverse of another variable.

Back

classical physics

Front

physics developed from the renaissance to the end of the 19th century, topics such as mechanics, thermal physics, fluids, waves, optics, electricity and magnetism

Back

modern physics

Front

physics from the 20th century and beyond, topics such as relativity and quantum mechanics

Back

physics

Front

study of matter and energy and how they relate

Back

magnitude

Front

size or amount

Back

significant digits

Front

significant figures - the last digit written down in a measurement is the first digit with some uncertainty.

Back

conversion factor

Front

ratio expressing how many of one unit are equal to another unit.

Back

scientific theory

Front

Explanation for patterns in nature that is supported by scientific evidence and verifies multiple times by various groups of researchers.

Back

scalar

Front

quantities that have magnitude only

Back

vector

Front

quantities that have magnitude and direction

Back

measurement

Front

A comparison between an unknown quantity and a standard.

Back

hypothesis

Front

An educated, testable guess about how variables are related.

Back

independent variable

Front

The factor that is changed or manipulated during an experiment.

Back

precision

Front

how close the agreement is between repeated measurements.

Back

law

Front

uses concise language to describe a generalized pattern in nature that is supported by scientific evidence and repeated experiments.

Back

dimensional analysis

Front

otherwise known as unit analysis

Back

quadratic relationship

Front

A parabolic relationship that results when one variable depends on the square of another variable.

Back

uncertainty

Front

quantitative measure of how much your measured values deviate from a standard or expected value.

Back

order of magnitude

Front

the scale of a value expressed in the metric system. For example, 10^1, 10^2, 10^3, and so forth are all different orders of magnitude.

Back

linear relationship

Front

A type of relationship that exists between two variables whose graphed data points lie on a straight line.

Back

quantum mechanics

Front

the study of objects smaller than can been seen with a microscope

Back