Curated OER
Curds and Whey
In this chemical reaction worksheet, learners investigate the reaction that makes curds and whey. They mix milk and vinegar and run it through cheesecloth to collect the solid. Students make observations, read about curds and whey, and...
Curated OER
Aqua-Thrusters!
Students construct their own rocket-powered boat called an "aqua-thruster." These aqua-thrusters will be made from a film canister and will use carbon dioxide gas - produced from a chemical reaction between an antacid tablet and water -...
Curated OER
Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
Curated OER
Trapping CO2
Students investigate climate change and how the properties of carbon dioxide and methane play a part. In this climate lesson students use a chemical reaction to trap CO2 and methane.
Curated OER
Collision Theory Worksheet
In this reactions instructional activity, students explain why all reactions have an activation energy using their understanding of collision theory. This instructional activity has 4 short answer questions.
Curated OER
What's Happening in My World?
Students look for examples of chemical and physical changes in the world around them and complete "What's Happening in My World" worksheet.
Curated OER
Science Detectives
Fifth graders examine the differences between chemical and physical changes. As a class, they are read a scenerio and determine whether it was deliberate act or not. In groups, they observe the changes of an alka-seltzer tablet and...
Curated OER
Equilibrium, Enthalpy and Entropy
In this chemical reactions worksheet, pupils determine what is true about a system at equilibrium and give examples of macroscopic properties. Students determine minimum enthalpy and maximum entropy for reactions. This worksheet has 2...
Curated OER
Balancing Act
In this chemical equation activity, students learn about atoms, elements and how to balance chemical equations. They walk through a few problems step by step, and then students attempt to complete some on their own. In total, there are...
Curated OER
ChromaCool!
Fifth graders watch a video about physical and chemical changes. In groups, they participate in a variety of activities involving color. They write their observations in a journal. To end the lesson, they use a checklist to classify...
Curated OER
Hot Meals on Hand
In this exothermic reactions worksheet, students read about how commercial hot meals are heated through the use of exothermic reactions. They graph data of temperature and time elapsed for hot meals and answer two questions about the graph.
Curated OER
Explosives
Students assume the role of police detectives and investigate chemical agents used to make explosives and suspected terrorists based on information provided. Students have a list of questions to lead their investigation and must produce...
Curated OER
Yeast Fermentation
Students measure the temperature change involved in the production of carbon dioxide by yeast. They also identify products and reactants in a chemical and balance the equation.
Curated OER
The Chemistry Connection
In this proteins worksheet, students read about the chemical compound, protein. Students determine where proteins are found in the body and how enzymes help the body react. Then students complete 3 short answer questions.
Curated OER
Balancing Equations
Pupils work in pairs to complete a worksheet that asks them to balance several chemical equations. They partner with other students to correct the equations and then follow online instructions to create a table in Word.
Curated OER
Bhopal - Covalent Bonding
Using the chemicals that leaked in the Bhopal gas tragedy of 1984, chemists examine covalent bonds. Provide for them the chemical reactions and have them draw Lewis diagrams for the molecules involved. That's about all there is to the...
Curated OER
Investigating an Enzyme-controlled Reaction: Catalase and Hydrogen Peroxide Concentration
Are you looking for a way to measure cellular respiration? Try it with pureed potatoes. With some standard high school science equipment, biologists can perform an investigation and collect data surrounding byproducts of respiration. You...
Curated OER
Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
American Chemical Society
Development of Baking Powder
Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The lesson on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer questions, complete...
Curated OER
Cellular Respiration: Harvesting Chemical Energy
A complete overview of oxidation, reduction, and how electrons are moved in respiration. You could use this slide show to elaborate on the concept of harvesting stored energy, and to summarize the stages of aerobic and anaerobic metabolism.
Nuffield Foundation
Monitoring the Body's Reaction to Stress
When stressed, do you prefer the fight or flight response? Scholars observe, measure, and identify the body's response to stress using a well-researched methodology. They learn about the autonomic nervous system, hormones, and more.
National Nanotechnology Infrastructure Network
Lab 1: Nanocatalysts Clean Your Car Emissions
What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres.
Beyond Benign
The Story of Cosmetics Video Assessment
Does your shampoo contain carcinogens? Scholars learn how cosmetic companies create and market their products, many of which contain toxic chemicals. They examine the bias and consumer responsibilities in the industry.
Biology Junction
Bioenergetics
Bioenergetics strives to describe how living things gain and transform energy for biological purposes. First, pupils learn about the types of energy before exploring the importance of energy in biological processes. Next, they discover...