Chem: Chapter 1-1 chemistry basics
Vocabulary from Chapter 1
Terms in this set (30)
The study of matter and how it changes.
Anything that has mass and takes up space.
Amount of matter in an object.
How much space an object takes up
Scientist that studies matter and how it changes
Describing the characteristics of something without using numbers
Describing something using measurements and numbers
an organized process for investigating the world around us
A "testable" If, then, because prediction in science
A condition or a characteristic of matter that is measured or controlled in an experiment.
a variable that is intentionally changed in an experiment
a variable that is measured in an experiment
A widely accepted hypothesis that has been tested many times which "best explains" and predicts future activities
The application of science to help people improve their lives.
writing or displaying numbers in terms of a decimal number "a" between 1 and 10, multiplied by a power of 10 in the form
"a" x 10ⁿ
A number that is written just above the writing line.
How close a measurement is to the correct or accepted value
how close a measurement is to other measurements of the same thing
a meaningful digit in a measured value.
a standard amount used for measuring
The SI unit for measuring length
The SI unit for measuring mass
The SI unit for measuring volume
The SI unit for measuring temperature
Degree Celsius (°C)
A unit for measuring temperature often used in metric measuring
The process of changing a measurement from one unit to another.
a ratio that shows two units that are equal two one another
a measurement unit created by multiplying or dividing other units
the mass of a sample matter divided by its volume
2008 NIST SI Units List
The National Institute of Standards and Technology
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