Intro to Chemistry

A tentative, testable statement or prediction about what has been observed.

In an experiment, the variable that the experimenter plans to change.

Information describing color, odor, shape, or some other physical characteristic.

Anything that has mass and takes up space.

In an experiment, the variable whose value depends on the independent variable

A systematic approach used in scientific study.

A set of controlled observations that test the hypothesis.

The study of matter and the changes that it undergoes.

Numerical information describing how much, how little, how big, how tall, how fast, etc.

A measure of the amount of matter.

Describes a relationship in nature that is supported by many experiments

An explanation supported by many experiments; is still subject to new experimental data.

In an experiment, the standard that is used for comparison.

A measure of an amount of matter and also the effect of Earth's gravitational pull.

A judgment based on the information obtained