Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Writer's Model: Proposal of a Solution
This seven-page essay provides an example of a Proposal of a Solution. Clicking on the "Writer's Guide" link in the upper right-hand corner of the page enables the user to get tips, directions, and explanations on the essay.
Joe Landsberger
Study Guides & Strategies: Writing Basics
This site by University of St. Thomas focuses on the basics for writing any paragraph. It is developed in outline fashion and is very easy to follow. This site provides a basic overview of the process of writing without going into a...
Exploratorium
Exploratorium: Salt Volcano
By making oil float on water--with the help of other ingredients--students can create a lava-lite effect.
Savvas Learning
Chemistry: The Central Science/metathesis Reactions
Discussion of metathesis (double replacement) reactions.
Savvas Learning
Chemistry: Central Science Live: Properties of Solutions
This site provides an excellent overview of the solution process. Content includes a focus on how a solution is formed, energy changes and solution formation, spontaneity and disorder, and solution formation and chemical reactions.
University of Nebraska
David Brooks: Henry's Law Experiment
At this site learn about Henry's law through this hands-on experiment. Lab instructions are complete including step-by-step pictures an worksheet.
Science Education Resource Center at Carleton College
Serc: Making Your Own Snowflake in a Jar
For this activity, students will learn about supersaturated solutions. They will observe the beginning formation of crystals as the solution cools and by the next day, the students will see the formation of a snowflake made by the crystals.
Science Education Resource Center at Carleton College
Serc: Investigating Chromatography: Selecting Variables
For this lab, students will demonstrate observation skills as they design an experiment to separate colors of various water-based pens in order to learn about mixtures and solutions. Students will determine a variable to test and...
Estrella Mountain Community College
Online Biology Book: Chemistry Ii: Water and Organic Molecules
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.
Purdue University
Gas Laws
This chemistry tutorial explains the gas laws (e.g., Boyle's Law) with applications.
Other
University of Siegen: Enthalpy of Solution
This resource provides a physical reaction. Hydrous and anhydrous calcium chloride react with water to produce physical exothermic and endothermic reactions.
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.
University of Nebraska
Microscale: Solubility of Ammonia
This chemistry tutorial lab deals with the solubility of ammonia gas.
Scholastic
Scholastic: Study Jams! Math: Problem Solving: Missing Extra Information
This site provides great practice on the concept of solving equations by eliminating extra information. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally,...
Scholastic
Scholastic: Study Jams! Math: Equations From Word Problems
This site provides great practice on the concept of solving equations from word problems. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can...
Chem4kids
Chem4 Kids: Making Solutions
What makes up a solution? Are there variables to consider when mixing a solution? Find out with this overview.
CPALMS
Mountain Bicycles, Inc.
[Free Registration/Login Required] During this MEA simulation, kindergarten students will be deciding which type of bike will be best for a company to sell in their community. Students must work in cooperative groups as they determine...
Mangahigh
Mangahigh: Algebra: Draw Straight Lines Using Alternative Linear Formats
This interactive media source has two parts a learning mode and a practice game mode. The learning mode is where students are guided through understanding concepts of linear functions. Next, students play a game where they are asked...
Khan Academy
Khan Academy: P H, P Oh, and the P H Scale
Definitions of pH, pOH, and the pH scale. Practice calculating the pH of a strong acid or base solution. Learn the relationship between acid strength and the pH of a solution.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Global Change: Where Land, Air and Water Meet
To develop an understanding of parts per million as a concept, teams of learners create successive dilutions of a solution to reach a parts-per-million concentration.
CK-12 Foundation
Ck 12: Algebra: Absolute Value Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve absolute value equations and interpret the solution. Students can watch a video tutorial, explore guided notes and attempt practice...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students verify that solutions to algebraic equations are correct. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Equations
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving expressions or equations for a given value. Students watch a video tutorial, explore guided notes and attempt practice problems.