Intro to Physical Science
Think Like a Scientist
Science Far and Wide
Physics and Chemistry
Science: Then and Now
100

A system of knowledge and the methods you use to find that knowledge.



Science

100

The use of knowledge to solve practical problems.

Technology

100

The study of the composition, structure, properties, and reactions of matter.



Chemistry

100

The study of matter and energy and the interactions between the two forces in motion.

Physics

100

The third step of the scientific method



Develop a hypothesis

200

The study of the universe beyond Earth, including the sun, moon, planets, and stars.

Astronomy

200

The study of life and life processes.

Biology

200

An organized plan for gathering, organizing, and communicating information.

Scientific Method

200

Information that you obtain through your senses.

Observation

200

A proposed answer to a question.

Hypothesis

300

The variable that causes a change in another variable.



Manipulated Variable

300

A variable that changes in response to a change in response to a change in the manipulated variable.

Responding Variable

300

An experiment in which only one variable, the manipulated variable, is deliberately changed at a time.

Controlled Experiment

300

A well-tested explanation for a set of observations or experimental results.

Scientific Theory

300

A statement that summarizes a pattern found in nature.

Scientific Law

400

A representation of an object or event.

Model

400

A way of expressing a value as the product of a number between 1 and 10 and a power of 10.

Scientific Notation

400

The straight-line distance between two points.

Length

400

The quantity of matter in an object or sample.

Mass

400

The amount of space taken up by an object.

Volume

500

The ratio of an object's mass to its volume.

Density

500

A ratio of equivalent measurements that is used to convert a quantity expressed in one unit to another unit.

Conversion Factor

500

A gauge of how exact a measurement is.

Precision

500

List and define the four major metric prefixes.

1. mill (1/1000)
2. centi (1/100)
3. kilo (1000)
4. mega (million)
also giga (billion)

500

Used to show parts of a whole


Pie Graph