University of Groningen
American History: Outlines: Women's Rights
Such social reforms brought many women to a realization of their own unequal position in society. From colonial times, unmarried women had enjoyed many of the same legal rights as men, although custom required that they marry early. With...
Analyze Math
Analyze Math: Free Math Tutorials: Triangles
The geometry tutorial investigates the definitions and properties of triangles. Topics included are isosceles, equilateral, and right triangles. In addition, the sine and cosine laws of triangles are defined.
Wikimedia
Wikipedia: Materia
Explore the concept of matter in this Spanish-language encyclopedia entry. This site features the properties of matter, the Law of Conservation of Matter, and other important features of matter.
Science Education Resource Center at Carleton College
Serc: Popping Up Some Fun!
For this hands-on activity, students will investigate the properties of popcorn and discover what makes popcorn pop. They will compare popped and unpopped corn and hypothesize about why popcorn pops, discovering that popcorn pops because...
Exploratorium
Exploratorium: Science Snacks: Magnetic Fruit: Push Me a Grape
An online activity which illustrates the magnetic property of diamagnetism associated with water. Contains a simple procedure and then a good explanation of the magnetic interactions that were displayed by the grapes.
TeachEngineering
Teach Engineering: Bulbs & Batteries in a Row
Everyday we are surrounded by circuits that use "in parallel" and "in series" circuitry. Complicated circuits designed by engineers are composed of many simpler parallel and series circuits. During this activity, students build a simple...
Wikimedia
Wikipedia: Lien
This entry supplies information about property laws and financial liens. Topics includes mortages and tax liens.
PBS
Pbs News Hour: A Penny for Your Thoughts, Movies or Music?
The ethical implications of downloading entertainment are huge. Explore this issue with students using this lesson plan. Be sure to include your library media specialist in planning.
Purple Math
Purplemath: Simplifying Expressions With Exponents
A detailed look at how to simplify expressions with exponents and how to apply the rules for exponents. Lots of examples included. The third page provides an interactive widget to use for simplifying expressions with exponents.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
NASA
Nasa: Beginner's Guide to Aerodynamics
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
Purdue University
Purdue University: Vapor Pressure Lowering
A good explanation of vapor pressure depression.
PBS
Pbs Teachers: Technology and Ethics
Investigate the meaning of ethics and morality as applied to technology and scientific advances. Research various issues related to scientific, technological and medical advances in the past decade and take a stand on each.
Other
Business Software Alliance: B4 U Copy: Know the Risks
A nonprofit trade association of software industry professionals defines the risks associated with the use of unlicensed software.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Multiplying Algebraic Expressions
The tutorial investigates how to multiply algebraic expressions. Students learn about the concept through class notes and practice problems.
Other
Dans Math: Lessons: Beginning Algebra
College professor Dan Bach offers a review of basic algebra concepts complete with definitions, explanations, and examples. Topics include simplifying expressions, solving linear equations, and graphing.
Other
Dans Math: Lessons: Intermediate Algebra
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
Annenberg Foundation
Annenberg Classroom: Takings Clause
Check out this interactive timeline of the takings clause in the United States.
Other
Nwu: The National Writers Union
This is the homesite for the National Writers Union, an organization for freelance writers. Contains an amazing amount of useful material, especially for aspiring writers, journalists, or storytellers.
Utah Education Network
Uen: Iste Nets: Birthstone Project With a Multimedia Twist
This interdisciplinary project on birthstones, provided by the International Society for Technology in Education (ISTE), focuses on research skills, writing skills, and the ability to put together an electronic presentation.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Elementary Addition
This resource offers six brief arithmetic lessons: sums less than ten, sums of ten, and sums between ten and twenty, doubling, zero, and a set of general practice problems.
Oswego City School District
Regents Exam Prep Center: Multiplying Powers
Several examples of equations are used to demonstrate the exponent rule of multiplying powers at this site.
Oswego City School District
Regents Exam Prep Center: Powers of Products
This lesson will teach you how to apply the Power of Products rule to exponential expressions. The variety of examples will help you use this rule for similar problems.