Physical Science Topics

## An Introduction to Physical Science

A Brief History of Science

The Development of Science

Some Early Contributors to Science

Aristotle

Pythagoras

Galileo

A Definition of Modern Science

A Definition of Pseudoscience

A Comparison/Contrast of Science and Philosophy (or Religion)

The Role of Mathematics in Science

Mathematics is a Part of Science

Beauty in Mathematics

Mathematics Can Direct Scientific Discovery

Mathematics Can Explain Science

Mathematics is a Language

The SI System of Units

What is the SI System of Units?

Who Uses the SI System?

The SI System Versus the Metric System

SI Prefixes

An Introduction to Unit Conversion

Measurement in Science

Random Errors and Systematic Errors

Accuracy Versus Precision

Significant Figures

Counting Significant Figures

Using Significant Figures in Calculations

An Introduction to the Scientific Method

Scientific Fact

A Definition of Fact

Facts Can Change

The Scientific Method

A Definition of the Scientific Method

Scientific Observation

A Definition of Observation

Two Classifications of Observations

Qualitative Observations

Quantitative Observations

Two Characteristics of Good Scientific Observation

Good Scientific Observation Uses as Much Detail as Possible

Good Scientific Observation Uses as Many of the Five Senses as Possible

Hypothesis

A Definition of Hypothesis

A Definition of Scientific Hypothesis

Scientific Law

A Definition of Scientific Law

Scientific Laws Can Change

Scientific Theory

A Definition of Theory

Experimentation

The Role of Experiment in Science

The Development of Science

Some Early Contributors to Science

Aristotle

Pythagoras

Galileo

A Definition of Modern Science

A Definition of Pseudoscience

A Comparison/Contrast of Science and Philosophy (or Religion)

The Role of Mathematics in Science

Mathematics is a Part of Science

Beauty in Mathematics

Mathematics Can Direct Scientific Discovery

Mathematics Can Explain Science

Mathematics is a Language

The SI System of Units

What is the SI System of Units?

Who Uses the SI System?

The SI System Versus the Metric System

SI Prefixes

An Introduction to Unit Conversion

Measurement in Science

Random Errors and Systematic Errors

Accuracy Versus Precision

Significant Figures

Counting Significant Figures

Using Significant Figures in Calculations

An Introduction to the Scientific Method

Scientific Fact

A Definition of Fact

Facts Can Change

The Scientific Method

A Definition of the Scientific Method

Scientific Observation

A Definition of Observation

Two Classifications of Observations

Qualitative Observations

Quantitative Observations

Two Characteristics of Good Scientific Observation

Good Scientific Observation Uses as Much Detail as Possible

Good Scientific Observation Uses as Many of the Five Senses as Possible

Hypothesis

A Definition of Hypothesis

A Definition of Scientific Hypothesis

Scientific Law

A Definition of Scientific Law

Scientific Laws Can Change

Scientific Theory

A Definition of Theory

Experimentation

The Role of Experiment in Science

## An Introduction to Physics

Motion

Position, Distance, and Displacement

Scalar Quantities

A Definition of Scalar Quantity

A List of Some Common Scalar Quantities

Vector Quantities

A Definition of Vector Quantity

A List of Some Common Vector Quantities

Position

A Definition of Position

An Abbreviation for Position

Position is a Vector Quantity

The SI Unit for Position

Position as Represented in Two Dimensions

Position as Represented in One Dimension

Distance

A Definition of Distance

An Abbreviation for Distance

The SI Unit for Distance

Distance is a Scalar Quantity

Finding Distance Traveled

Displacement

A Definition of Displacement

Finding Net Displacement Given Path

An Abbreviation for Displacement

The SI Unit for Displacement

Displacement is a Vector Quantity

A Formula for Displacement

Finding Displacement Mathematically

Speed and Velocity

Speed

A Definition of Speed

An Abbreviation for Speed

A Formula for Average Speed

The SI Units for Speed

Speed is a Scalar Quantity

Using Average Speed, Distance, and Time in Calculations

Instantaneous Speed Versus Average Speed

Velocity

A Definition of Velocity

An Abbreviation for Velocity

A Formula for Average Velocity

The SI Units for Velocity

Velocity is a Vector Quantity

Using Average Velocity, Displacement, and Time in Calculations

Instantaneous Velocity Versus Average Velocity

Acceleration and Relative Motion

Constant Acceleration

A Definition of Acceleration

An Abbreviation for Acceleration

A Formula for Average Acceleration

The SI Units for Acceleration

Acceleration is a Vector Quantity

Using Average Acceleration, Change in Velocity, and Time in Calculations

Galileo and Acceleration

Free-Fall Acceleration

Hang Time

Relative Motion

Scalar Quantities

A Definition of Scalar Quantity

A List of Some Common Scalar Quantities

Vector Quantities

A Definition of Vector Quantity

A List of Some Common Vector Quantities

Position

A Definition of Position

An Abbreviation for Position

Position is a Vector Quantity

The SI Unit for Position

Position as Represented in Two Dimensions

Position as Represented in One Dimension

Distance

A Definition of Distance

An Abbreviation for Distance

The SI Unit for Distance

Distance is a Scalar Quantity

Finding Distance Traveled

Displacement

A Definition of Displacement

Finding Net Displacement Given Path

An Abbreviation for Displacement

The SI Unit for Displacement

Displacement is a Vector Quantity

A Formula for Displacement

Finding Displacement Mathematically

Speed and Velocity

Speed

A Definition of Speed

An Abbreviation for Speed

A Formula for Average Speed

The SI Units for Speed

Speed is a Scalar Quantity

Using Average Speed, Distance, and Time in Calculations

Instantaneous Speed Versus Average Speed

Velocity

A Definition of Velocity

An Abbreviation for Velocity

A Formula for Average Velocity

The SI Units for Velocity

Velocity is a Vector Quantity

Using Average Velocity, Displacement, and Time in Calculations

Instantaneous Velocity Versus Average Velocity

Acceleration and Relative Motion

Constant Acceleration

A Definition of Acceleration

An Abbreviation for Acceleration

A Formula for Average Acceleration

The SI Units for Acceleration

Acceleration is a Vector Quantity

Using Average Acceleration, Change in Velocity, and Time in Calculations

Galileo and Acceleration

Free-Fall Acceleration

Hang Time

Relative Motion