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The Acids, Alkalis and Salts Crossword

For Students 9th - 10th
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.
Online Course
Cosmo Learning

Cosmo Learning: Chemistry 3 B: Chemical Structure and Reactivity

For Students 9th - 10th
A collection of video lectures from a chemical structure and reactivity course taught at the University of California, Berkeley. The course teaches conjunction, aromatic theory, carbonyl compounds, carbohydrates, amines, carboxylic acid....
Graphic
Wolfram Research

Wolfram Science World: Organic Chemistry

For Students 9th - 10th
This site from ScienceWorld provides a brief look at some of the more common organic functional groups. The carboxylic acid group is also given. Quite a few links are provided at the bottom of the page for additional information.
Handout
Other

Canada Connects: Properties of Acids

For Students 9th - 10th
This site describes common properties of acids as well as examples of acids found in either the laboratory or the work place.
Article
National Earth Science Teachers Association

Windows to the Universe: Nitric Acid

For Students 9th - 10th
Provides a general overview of nitric acid, its composition, and its uses.
eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Weak Acid Equilibrium

For Students 9th - 10th
Learn about what happens when a weak acid is added to water. View examples, an acid dissociation constant table, and a study sheet.
Activity
TOPS Learning Systems

Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf]

For Students 9th - 10th
Experiment using water from boiling red cabbage to determine if a material is an acid, a base, or neutral.
Handout
University of Waterloo (Canada)

Univ. Of Waterloo: Conjugate Acid Base Pairs

For Students 9th - 10th
This page, created by a chemistry professor from the University of Waterloo, provides an introduction to conjugate acid-base pairs.
Graphic
American Chemical Society

Middle School Chemistry: Co2 Reacting With Water

For Students 9th - 10th
See how carbon dioxide reacts with water to produce carbonic acid.
Handout
University of Waterloo (Canada)

Univ. Of Waterloo: Conjugate Acids of Bases

For Students 9th - 10th
This site, created by a University of Waterloo Chemistry professor, applies conjugate pair theory. It also deals with the ionization constants for acids and bases.
Activity
Center of Science and Industry

Cosi Columbus: Cabbage Patch Chemistry [Pdf]

For Students 9th - 10th
Make your own indicator by using red cabbage leaves and common household items. Includes full list of materials, procedures, and scientific explanation of how to determine if a substance is acidic, basic, or neutral based on the colors...
Activity
Other

Chem 122 Lab: The Titration of Acetic Acid in Vinegar [Pdf]

For Students 9th - 10th
An experiment from a New Mexico Tech chemistry lab course through which students learn about titration, acetic acid, and weak acids. Contains pre-lab material, diagrams, chemical reactions, procedure, and post-lab questions.
Website
Other

Organic Chemistry on Line: Acids and Bases

For Students 9th - 10th
The bottom of this page gives an excellent idea of what Lewis acids and bases are. Inculdes graphics to aid in understanding.
Unit Plan
University of Arizona

Ua: Chemistry Tutorial

For Students 9th - 10th
This general tutorial begins with an explanation of the polarity of the water molecule and the effects this polarity has on the properties of water. Goes on to introduce organic molecules and has a thourough tutorial on the third page.
eBook
Upper Canada District School Board

Tom Stretton's Advanced Placement Chemistry: Nuclear Chemistry

For Students 9th - 10th
This online textbook chapter provides learners with advanced-level material on acids and bases.
Handout
Frostburg State University

General Chemistry Online: Laboratory Operations Faq

For Students 9th - 10th
A narrow list of questions about technicalities with chemistry labs. Find out the how to properly clean glassware and why acid should always be added to water in that order.
eBook
Estrella Mountain Community College

Online Biology Book: Chemistry Ii: Water and Organic Molecules

For Students 9th - 10th
Online biology textbook discussing the chemical nature of water, and the importance of its molecular structure to life. Also discusses at length the organic molecules nucleic acids, proteins, lipids, and carbohydrates.
Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: P H and Equilibrium

For Students 9th - 10th
Learn where acids and bases fall on the pH scale and the correlation between hydrogen and hydroxide ions. See many examples of how to calculate the pH of a substance. Also find links to the chemistry textbook and tutorials.
Handout
University of Waterloo (Canada)

Computer Assisted Chem. Tutorial/chemistry of Batteries

For Students 9th - 10th
A superb explanation of how a battery works. Discusses the associated chemistry which explains how a battery produces a voltage. Includes a series of "Confidence Building Questions."
Activity
Texas Instruments

Texas Instruments: Sour Chemistry: The Exponential P H Change

For Teachers 9th - 10th
In this activity, students' will use a pH sensor to record pH versus time data as an antacid tablet neutralizes acid in lemon juice. They will model the pH data with a modified exponential function.
Website
Frostburg State University

General Chemistry Online: Water to Wine

For Students 9th - 10th
The molecular basis of indicator color changes. Includes Chime structures for the acid and base forms of phenolphthalein, methyl orange, red cabbage indicator, and cyanidin diglucoside.
Handout
Shodor Education Foundation

Shodor: Acid Base Chemistry

For Students 9th - 10th
This Shodor Education Foundation page has a nice look at the major theories of acids and bases in less than one page. There are very simple defintions.
PPT
Simon Fraser University

Chem1 Virtual Textbook: Oxalic Acid

For Students 9th - 10th
Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with a diprotic acid, oxalic acid.
Interactive
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Molecular Structures: Amino Acids

For Students 9th - 10th
View 4 common amino acids from all angles with these 3-D interactive molecules. Also, find links to information about other structures.

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