Curated OER
Ammonium Nitrate - Jeckyl or Hyde
Students study how chemicals can be very dangerous when not treated with care. They watch Ammonium Nitrate power point and read about accidents involving ammonium nitrate: Halifax Explosion, Oklahoma City Bombing.
National Institute of Open Schooling
Compounds of Carbon Containing Nitrogen
Amines are vital to humans because they help form amino acids, the building blocks of proteins. The 30th lesson in a series of 36 specifically focuses on the organic compounds that contain nitrogen. Learners classify amines and nitro...
National Institute of Open Schooling
p-Block Elements and Their Compounds – I
Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...
Curated OER
How Toxic Is It?
Students participate in an activity in which they investigate the scientific method and seed germination as well as practice graphing and metric measuring skills. Students examine toxicity by exposing Wisconsin Fast Plants seeds to toxic...
Teach Engineering
Basically Acidic Ink
If you don't want to drink red cabbage juice, here's another use for it—a decoder! Using vinegar and ammonia-based window cleaning liquids as invisible inks, scholars create designs in the second lesson of the series. Red cabbage juice...
University of Southern California
Mastering Microbes
Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging lesson asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.
Curated OER
You Are What You Eat: Chemical Residues and Consumers
Students determine how evidence gained from a simulated test for the presence of pesticide residues can be used to determine risk. They use peas to simulate pesticide residue testing.
Curated OER
Auxin: Indole-3-Acetic Acid
Students identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
Curated OER
The Cell
Young scholars study the basic processes by which cells divide and transfer their genetic information. They recognize and distinguish possible inherited traits and through the discovery method of the facts and principles of inheritance....
Curated OER
Water Quality Tests Explained
Students define all eight water quality parameters and list at list one source for each of the eight water quality parameters. They determine how each of the eight parameters affect river ecosystems.
Curated OER
Water Quality Tests Explained
Learners identify the eight tests done to check for water quality. In this ecology activity, students explain why it's important to test water in rivers. They explore sources of river water pollution.
Curated OER
Chemicals in Your Life
In this chemicals worksheet, high schoolers fill in 61 blanks of statements comparing the chemicals used in farming and the chemicals found in medicines and food.
Curated OER
Dishing the Dirt Part 3
High schoolers collect and examine different soil samples. They test for specific types of soil elements and the pH level. They answer questions about optimum growing conditions as well.
Curated OER
Ocean Color
Young scholars examine NASA's SeaWiFS Project Web site to explore how the SeaWiFS Project monitors environmental and climatic changes in the oceans and atmosphere. They answer questions and write a summary in support of continued funding...
Curated OER
Graphical Determination of Density
Students determine the density of metal shot by a graphical method using significant digits in making measurements and calculations. Students graph a seris of laboratory measurements and determine density from a mass verses volume graph.