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Physics Ch. 1
Terms in this set (25)
a branch of science that involves the study of the physical world: energy, matter, and how they are related
patterns of investigation procedures
a possible explanation for a problem using what you know and have observed
a representation of an idea, event, structure, or object that helps people better understand
an explanation of things or events based on knowledge gained from many observations and investigations
a statement about what happens in nature and seems to be true all the time
method of treating the units as algebraic quantities that can be cancelled
the valid digits in a measurement
a comparison between an unknown quantity and a standard
the degree of exactness of a measurement
describes how well the results of a measurement agree with the "real" value
the factor that is manipulated during an investigation
the factor that depends on the independent variable
when the dependent variable varies linearly with the independent variable
line of best fit
the line drawn as close to all the data points as possible
exists when one variable depends on the square of another
a hyperbolic relationship in which one variable depends on the inverse of the other variable
milli, centi, deci, base, deka, hecto, kilo
What are the six metric prefixes?
state the problem, gather information, form a hypothesis, test the hypothesis, analyze data, draw conclusions
What are the steps in the scientific method?
thing that are too small or large, processes that take too much time to completely see, or a material that is hazardous
What are models used for?
making observations and asking questions about the natural world
What do scientific methods include?
Can science explain everything?
helps scientists around the world communicate more easily
How does using the metric system help scientists?
scientists use models and relationships between variables to make predictions. true or false
rise over run
what is the slope of a line?
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