Curated OER
Reaction Kinetics
In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...
Utah Education Network (UEN)
Utah Open Textbook: Chemistry
Technology can help save money and add convenience. The resource offers a free textbook for a complete Chemistry course. The text begins with a review of the scientific method and continues to explain topics such as chemical bonding,...
Curated OER
Some Common Chemical Reactions
In this chemical reactions worksheet, learners compare and contrast corrosion and combustion reactions. This worksheet has 15 short answer questions.
Curated OER
Energy of Activation
High schoolers determine the activation energy of a chemical reaction.
Curated OER
Bhopal - Runaway Reaction
Young scholars research and study the disaster of Bhopal to grasp the essential concept of controlling chemical reactions. They explain how the Bhopal disaster might have been prevented based upon their knowledge of factors affecting...
Curated OER
Inquiry into Consumer Products
High schoolers recognize different consumer products, found in and around the home, that have reactive or denaturing properties when used together. They explore chemical and physical properties of each product by identifying chemical...
Curated OER
Approaching Equilibrium
Contrary to a common popular belief, equilibrium does not mean a reaction has stopped. An interesting presentation covers reactant concentrations and product concentrations. It describes the equilibrium as when the forward rate equals...
Teach Engineering
Wizardry and Chemistry
No need to go to Ollivanders to buy a magic wand. In the chemistry lab activity, young magicians mix chemicals to create combustible compounds. By applying these compounds to an iron wire, they create magic wands.
Curated OER
Rate Determining Step and Catalyst Activity
Students work in groups to stuff as many envelopes as they can in 3-5 minutes. They use an assembly line method. Envelope stuffing is compared to a chemical reactions. The idea of catalyst is considered, and students determine a way to...
Curated OER
Kinetics Practice 2-Key
In this kinetics instructional activity, students solve seven problems related to chemical reactions and their rates. Students identify rate laws for mechanisms, they draw reaction diagrams, and they determine rate constants.
Curated OER
Fizzy Pop
Fifth graders compare and identify variables that affect the rate of a chemical change using Alka-Seltzer, water, ice, and hot water. They time how long each variable takes to pop the canister into the air, and record the results on a...
Cornell University
What Is Rust?
Why do metals rust differently? Scholars experiment with metal combinations in a hands-on activity. They create unique environments with different metals and compare the rate and amount of rust for each.
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...
Biology Junction
Photosynthesis: Energy and Life
All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...
Curated OER
Alcoholic Fermentation in Yeast
Biology classes will bubble with excitement as they complete this assignment. Beginning with an informative overview of cellular respiration and fermentation processes, the highlight comes as an experiment in determining the rate of...
Curated OER
Concentration and Reaction Rates
Learners investigate how varying the concentrations, volumes, and other factors affects reaction rates. Students design and conduct investigations to obtain data used to create graphs of an uncatalyzed reaction vs. a catalyzed reaction....
Curated OER
Chemical Energy
In this science worksheet, students fill in the blank for 15 sentences about chemical energy. For example, "Chemical bonds hold_."
Curated OER
Water-holding Capacity of Earth Materials
Young scholars design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Howard Hughes Medical Institute
Ocean Acidification
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
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.
Curated OER
PhysioEx: Chemical and Physical Processes of Digestion
In this anatomy worksheet, students complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
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
Collision Theory Worksheet
In this reactions worksheet, students explain why all reactions have an activation energy using their understanding of collision theory. This worksheet has 4 short answer questions.