Curated OER
ENGINEERING TOOTHPASTE
Students make a class list of household products and discuss how many of these products are made through chemistry. They guess the ingredients in the products and imagine how toothpaste might be made. They make toothpaste.
Curated OER
Not So Neutral Views
Students explore ways to use indicators to distinguish between acids and bases. They conduct an experiment to model and discuss the harmful effect of acid rain in our living and non-living environment.
Curated OER
The Measurement Of Acids And Bases
Students investigate the differences in chemistry between an acid and a base substance. They conduct measurements based upon the pH scale and then answer the questions included in the lesson. The information for the lesson is included in...
Royal Society of Chemistry
A Solid-Solid Reaction between Lead Nitrate and Potassium Iodide
Why is it so difficult to make two solid compounds react? Investigate the concepts of particle collisions and rate of reaction using a quick demonstration. The colorful experiment features two plain, white solids combining to form a...
Curated OER
Mercury in the Environment
Students develop abilities necessary to do scientific inquiry. They develop an understanding of chemical reactions, structures and properties of matter. They develop decision-making skills in natural and human-induced hazards.
Curated OER
LD50 of NaCl to Gammarus spp.
Students learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. Students compare results of the experiment with pesticides and pollutants.
Curated OER
Invisible Ink - Demonstration
Students observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal secret...
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Cornell University
Vitamin C Module
Test the levels of vitamin C in different juices. After a lesson on the importance of vitamin C in our diets, learners use titration to determine the vitamin C content in juice. They use their experience with the titration to study the...
Curated OER
Activity #5 Soils-Permeability and Impurity Removal
Students predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and building...
Curated OER
Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Curated OER
Modeling Drug Assimilation in the Human Body
Pupils investigate the accumulation of drugs in the body. In this algebra lesson, students collect data on drug retention and assimilation. They use their data to predict the behavior and effects of drugs.
Curated OER
Cosmic Collisions and Risk Assessment
In groups, pupils create their own scientific impact experiments using ordinary materials, and observe and measure results with a variety of impacting bodies and velocities.