# Introductory Vocabulary Quiz.

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Introductory Vocabulary Quiz

the temperature scale on which zero is the temperature at which no more energy can be removed from matter

KELVIN SCALE

the interval between two events

TIME

basic SI unit of volume; equals 1,000 mL

LITER

the study of the properties of matter and how matter changes

CHEMISTRY

the measurement of how much mass of a substance is contained in a given volume

DENSITY

basic SI unit of length

METER

A possible explanation for a set of observations or answer to a scientific question; must be testable

HYPOTHESIS

prefix meaning 0.01; 1/100

CENTI-

the one factor that a scientist changes during an experiment; also called the manipulated variable

INDEPENDENT VARIABLE

An experiment in which all variables except one are kept constant

CONTROLLED EXPERIMENT

a measure of how much matter is in an object; the SI unit is the kilogram

MASS

The amount of space that matter occupies

VOLUME

the factor that changes as a result of changes to the manipulated (or independent) variable in an experiment; also called responding variable

DEPENDENT VARIABLE

prefix meaning 1/1000 or 0.001

MILLI-

the SI unit for time

SECOND

in an experiment, a standard for comparison that is often needed to draw a meaningful conclusion

CONTROL

a measure of the average kinetic energy of the particles that make up a sample of matter

TEMPERATURE

a measure of the force of gravity on an object

WEIGHT

The temperature scale on which zero and 100 are the temperatures at which water freezes and boils

CELSIUS SCALE

anything that has mass and occupies space

MATTER

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