American Chemical Society
Entropy and Enthalpy Changes
My room isn't messy — it's a scientific experiment in entropy! Scholars investigate entropy, enthalpy, and spontaneity through a guided procedure and set of questions. The lesson connects the Second Law of Thermodynamics, energy transfer...
American Chemical Society
Energy and Entropy of a Stretched Rubber Band
Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...
Beyond Benign
Product Test
It's the moment of truth. Previous lessons in the 24-part series had scholars design and develop shampoo formulas using chemical concepts. The 18th lesson asks them to test the function of their shampoos. To do this, they calculate the...
National Nanotechnology Infrastructure Network
Synthesis of Nickel Nanowires
It's all about the scale—they're not just wires, they're nanowires! The second lesson of the series builds on the oxidation-reduction experiment in the first lesson. Scholars synthesize a sample of nanowires using electrolysis. As they...
Virginia Department of Education
Mystery Anions
Lost an electron? You should keep an ion them. Young chemists learn qualitative analysis in the second lesson plan of an 11-part chemistry series. After observing reactions of simple salts, the teacher provides pupils with unknown...
Cornell University
Renewable Resins and Composites
Merge chemistry with environmental science to study biodegradable materials. An engaging activity allows learners to experiment with different resin concentrations and composites. Through experimental tests, scholars test their creations...
Curated OER
Fuel Cell Experimentation
With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...
National Nanotechnology Infrastructure Network
Understanding Wave Motion - Slinky vs. Snaky: Which Spring is Dominant?
Ride the wave to an understanding of refraction! The first in a series of two inquiry-based lessons challenges learners to create transverse waves with two different types of springs. As their wave hits an object, they observe the change...
Curated OER
Mighty Minerals
Students identify the characteristics of minerals. They complete proper identification tests and record the data in an organized fashion. They list important uses for minerals as well.
Curated OER
Digital Video Lesson Plan: Brine Shrimp
Students participate in classroom experiment to gain better understanding of type of environment brine shrimp can best survive. Students then explore effects of common saltwater pollutants on survival of animals in sea.
American Chemical Society
Exothermic, Endothermic, and Chemical Change
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
National Nanotechnology Infrastructure Network
Creating and Testing Silver-Nanoparticle Socks
Antibacterial socks are a product of nanotechnology. An inquiry-based lesson asks collaborative groups to create their own antibacterial socks and then test them against other products on the market. The sock with the least amount of...
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Students participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
Drug Analysis Using Thin-Layer Chromatography
Students use forensic science to positively identify any suspected drugs submitted to the laboratory. They determine the identity of the drugs found in the bodies of drug-overdose victims. Students use TLC to identify the active...
Curated OER
Redox Titration of Iron
Students perform a redox titration of iron. In this iron titration lesson plan, students use potassium permanganate to oxidize iron so they can determine the percentage of iron in a sample of fertilizer.
Curated OER
Chemistry Review
In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.
Curated OER
Solubility Product of a Hydroxide
High schoolers determine the solubility product constant and the concentration of a hydroxide. For this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric...
Curated OER
Energy and Matter
A review of a full unit on energy and matter, this slide show starts with basic definitions of states of matter and their mass. It then develops the ideas of the forces that that matter can exert. Details about bonding within matter and...
Learning Zone Express
The Basics of Sewing
This resource is a stitch. Kids learn the basics of hand and machine sewing, how to sew on buttons, how to construct and repair clothing, and how to use patterns to create decorative ornaments.
It's About Time
Solutions, Suspensions, and Colloids
Chemists are frequently in suspension, but not because they misbehave! Scholars mix various items with water to create solutions, suspensions, and colloids. They test each one to determine their differences and properties. The resource...
It's About Time
Properties of Matter
Never trust an atom; they make up everything! Young chemists make modeling dough and add another ingredient to change the properties. Scholars then compare the properties of emulsion to composite materials. A reading passage and analysis...
It's About Time
Identifying Matter
High schoolers test wood splints that have been soaked in mystery solutions to identify the different colors it produces when lit. The lesson concludes with a reading passage and analysis questions.
Herff Jones Education
Chemical Energy
Provide the class with a quick lesson on chemical energy as they are assisted in creating hot and cold packs to demonstrate energy transfer between objects. They observe the energy change in matter as it transforms and distinguish...
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