Learn about physical quantities, SI units, and derived units in this chapter of a physics of textbook.

This page provides eight tables of useful information such as Important Constants, Submicroscopic Masses, Solar System Data, Metric Prefixes for Powers of Ten and Their Symbols, The Greek Alphabet, SI units, Useful Formulae, and other...

[Free Registration/Login may be required to access all resource tools.] Covers the International System of Units (SI) and converting units.

Students are introduced to the nano-size length scale as they make measurements and calculate unit conversions. They measure common objects and convert their units to nanometers, giving them a simple reference frame for understanding the...

The official rules for using the SI (metric) system in the US, based on the National Institute of Standards. Must download their handbook.

The official prefixes adopted in the US, as stated by the National Institute of Standards and Technology. Yoctograms? Zeptosecond? Yes indeed.

[Free Registration/Login may be required to access all resource tools.] International System of Units (SI) and converting units.

[Free Registration/Login may be required to access all resource tools.] International System of Units (SI) and converting units.

Play ball using your knowledge of radiation quantities and units.

As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the measure of matter. In addition to a discussion on SI base units, the site covers the SI decimal prefixes, units outside the SI, and...

[Free Registration/Login Required] In this interactive you must connect the correct quantity with an example of the SI base unit it is measured in. You will need a sign-in to access this media, but it will be well worth your time.

September 24, 1902. A new cooking school is set to open at Boston's 30 Huntington Avenue. The rooms will soon be filled with trainee cooks, who will watch in awe as the school's namesake and principal, Fannie Farmer, lectures on...

This site examines the specific difference between mass and weight in addition to length, temperature, and time.

Using inquiry-based learning, students work in groups to devise metric conversion factors after analyzing example calculations. By finding inaccuracies in the problems given, students zero in on the correct methods of doing conversions.

Students determine the coefficient of restitution (or the elasticity) for super balls. Working in pairs, they drop balls from a meter height and determine how high they bounce. They measure, record and repeat the process to gather data...

This site provides a list of physics problems and exercises including Physical Quantities and Units, Accuracy, Precision, and Significant Figures, and Approximation.

This is a list of 32 review questions and problems over the concepts presented in Chapter 1: What Is Physics? from the TEA Physics text.

This is a list of 37 test prep questions and problems over the content of Chapter 1: What is Physics? from the TEA Physics online text.

A tutorial which introduces the International System of Units, and its use in making measurements during scientific investigation.

The world's roundest object helps solve the longest running problem in measurement- how to define the kilogram. A kilogram isn't what it used to be. Literally. The name, weight, and definition of a kilogram has been changing constantly...

This activity assesses students' knowledge and understanding of uncertainty and significant figures.

This page offers a summary of each section in Chapter 1: Introduction to Physics of the AP Physics online text. It covers the main concepts such as Physical Quantities and Units and Approximation.

Check your knowledge of conversion factors in this interactive practice activity. Practice unit conversions by filling in the number that completes them.

This is a summary of the most important takeaway ideas from Chapter 1: What is Physics? from the TEA Physics text.