Purple Math
Purplemath: The Unit Circle
Relates the unit circle to the method for finding trig ratios in any of the four quadrants. Demonstrates how the unit circle might be useful.
E-learning for Kids
E Learning for Kids: Math: Pizza (Italian) Restaurant: Prisms and Pyramids
On this interactive website students practice various math skills including naming prisms and pyramids, drawing cross sections of prisms and pyramids, and exploring three-dimensional views.
Cosmo Learning
Cosmo Learning: Senior Chemistry With Chemguy
A collection of video lectures from a general chemistry class for high school students. Lectures cover topics such as equilibrium, thermochemistry, electrochemistry, and acids and bases with forty-four lectures. Lectures vary in length...
University of Utah
University of Utah: A Simple Example Logarithms
This site from the University of Utah provides a good simple base conversion page.
Oklahoma State University
Oklahoma State University: Acid Base Overview
Beginning with the example of the hydrangea, this page gives a good overview of acid-base chemistry.
Purdue University
Purdue University: Calcium Hydroxide Crystal Structure
A picture of the crystal structure of calcium hydroxide. Additional plug-in required.
Vernet -Virtual Education Resources Network
Salon Hogar: Referencia Rapida De Formulas Geometricas
This site provides the user with a useful reference to different geometric forms, their elements, formulas, and areas. Entirely in Spanish.
Vernet -Virtual Education Resources Network
Salon Hogar: Algebra
This site provides mathematics students with general resources for Algebra including theories, curves, exponents, cones, polynomials, and bases. This site is entirely in Spanish.
Museum of Science
Miami Museum of Science: P H Panel
Try putting different liquids into a virtual pH tester to find out whether they are acids or bases.
PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
Other
The Science House: Invisible Ink
Guidelines for a simple lab demonstration using phenolphthalein, a chemical that changes color depending on whether it is in the presence of an acid or base.
Other
College of Early Learning: Algebra Review
This site uses pictures to discuss dimension and base. The algebraic naming of measurements is included as well as factoring polynomial numbers.
Other
What Is Life: Aqueous Solutions
Discussion of water as a solvent. Includes material on hydrogen bonds, hydration, hydrophobic effect, acids, basses, and pH.
Other
Ic Teachers: Shapes: Triangles
Are you looking for a very basic website that will explain the basic properties of a triangle? Use this site to learn about the properties of equilateral triangles, isosceles triangles, right triangles,and scalene triangles. There are...
Other
Money: The Money Supply
This page is about understanding the concept of money and the U.S. monetary system.
Other
The Acids, Alkalis and Salts Crossword
Test your chemistry knowledge with this exciting hands-on online crossword puzzle. Creative Chemistry has developed an on-line game for teachers to utilize in their classrooms.
University of Nebraska
Do Chem: Simple Heat of Acid Base Reaction
A simple lab activity that allows good data collection on heat of solution.
Other
Armstrong Atlantic State U.: Laws of Logarithms
Law of adding and subtracting logarithms of the same base. Examples and a demonstration of combining sums. Links to a list of exercises.
New York University
New York University: Lewis Acids and Bases
This site provides definitions and example formulas of Lewis acids and bases.
Learning Wave Communications
Learning Wave: Geometry, Section 2
Geometry concepts are briefly discussed at this site, including volume of a cylinder, parallelograms, circles, trapezoids, and triangles. Sample problems and applications are included for practice.
Sophia Learning
Sophia: What Is a Base?: Lesson 2
This lesson will explain what a base is, what the pH of a base is, and give an overview of the general properties of bases. It is 2 of 4 in the series titled "What is a base?"
Sophia Learning
Sophia: What Is P H?: Lesson 3
This lesson will explain what pH means, and the difference between substances with a high pH vs a low pH. It is 3 of 4 in the series titled "What is pH?."
Sophia Learning
Sophia: What Is P H?: Lesson 4
This lesson will explain what pH means, and the difference between substances with a high pH vs a low pH. It is 4 of 4 in the series titled "What is pH?."
Sophia Learning
Sophia: P H Scale: Lesson 3
This lesson will introduce the concept of pH, acids and bases. It is 3 of 3 in the series titled "pH Scale."