Students explore how national parks are created, operate and benefit society by creating a new national park for their state.

Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.

Learners experiment with simple pendulums to determine the validity of an equation for all angles. Students discover the usefulnes and limitations of approximations in science. Using spreadhseets and a java applet, learners observe the...

Students conduct an experiment to measure the diameter of the sun. In this astronomy instructional activity,  students construct a simple equipment to collect scientific data. They calculate the sun's diameter using a given formula.

Students identify greenhouse gases. They explain why perfluorocarbons are a bad alternative to chlorofluorcarbons. They determine both the least and most influential greenhouse gases.

John David Walters shares the origins of mathematical symbols and illuminates why they're still so important in the field today.

The text of a book "discussing the area of mathematics which studies the purely formal properties of strings of symbols." The text can be read online or downloaded by individual chapters in MP3 or PDF format. In addition, each chapter...

The Function Analyzer allows learners to see the connections among three representations of a function: symbolic, area, and graphic. In addition, by allowing learners to change the value of four elements of a function - the coefficient...

In this section, we will introduce another symbol for a fraction of the form and then we will use this symbol to write certain numbers in simpler form.

This personal site explains how variables began and who were the first to use them.

College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.

After finishing this tutorial, you'll be well versed in various properties of real numbers: identity and inverse properties, commutative and associative properties, and distributive properties. You'll also know about the various symbols...

What's so special about Leonardo da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle...

Learn about radical signs or symbols with this resource which offers detailed explanations and multiple examples. Subjects covered include bar length and radical expressions. Links to related topics.

Here is a site that clearly and thoroughly explains removing grouping symbols like parentheses, braces, and brackets. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...

MathWorld offers information on the radical symbol, along with information on radical identities. Lots of examples and illustrations.

Transformations of linear functions, with links between the symbolic and graphic forms, can be powerful tools to help students overcome conceptual hurdles in algebra.

Deepen your understanding of systems of linear equations with the System Solver. This interactive offers unique opportunity to perform operations on a system and immediately observe the graphic, tabular, and symbolic results of the...

Use this site to find the defintion of a function. The site offers a discussion on the vertical line test, symbolic, numerical and verbal discussions on the definition of a function.

This site from Gulf High School explores the earliest uses of various mathematical symbols, words, and terms. A very interesting site.

Test your geometry aptitude using this interactive matching game. Match pictures and symbols to the correct definition. Answers are verified immediately. Winners can earn as much as 10,000 dollars and have their name posted for the day.

A more advanced review of algebra concepts and practice review problems ranging from the basic rules of algebra to polynomials. A good test of readiness for higher level math courses.

The resource investigates common symbols used in geometry. Examples and definitions are included.

The lesson examines the origins of mathematics. Strings of symbols, the mathematicians of Ancient Greece, Arabian scholars, and the Renaissance are discussed.