Curated OER
Acids, Copper, and Zinc
Students observe chemical reactions using post-1982 pennies. They observe the reaction of an acid with zinc but not copper under the same conditions over a two week period.
Curated OER
Heat, Temperature, and Transfer
Physical science scholars discover an array of heat sources. They experiment to connect radiation to heat. They begin to understand thermal equilibrium. Then, they test to see if mass affects the rate of temperature change. Choose a few,...
Curated OER
Chemical Equilibrium
In this chemical reaction worksheet, students define equilibrium, determine what affects the progress of a reaction, and compare and contrast entropy and enthalpy. This worksheet has 5 fill in the blank, 5 short answer, and 16 problems...
Curated OER
Measuring Reaction Rates
In this chemical reaction worksheet, learners determine the rate of consumption or rate of production for given reactions. This worksheet has 14 problems to solve.
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...
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.
Nuffield Foundation
Investigating Factors Affecting the Breathing Rate of a Locust
Do animals breathe faster when given more oxygen or more carbon dioxide? Young scientists observe the respiration rates of locusts under a variety of gas concentrations to answer that very question. They collect data, analyze the...
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
Bhopal - Runaway Reaction
Learners 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 the rate...
Curated OER
Inquiry into Consumer Products
Students 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 formulas...
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
Rate Determining Step and Catalyst Activity
Learners 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 worksheet, 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
Concentration and Reaction Rates
Students 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....
Beyond Benign
The Green Zine
It's time for your class to advertise what they've learned! The culminating lesson in the 24-part series asks scholars to use their newfound chemistry knowledge to create advertisements. Their magazine advertisements describe the health...
Curated OER
Kinetics Challenge Problem
In this kinetics activity, students use date from two experiments to determine the reaction order, calculate the rate constant and activation energy, and predict the mechanism for the reaction. This activity has 7 problems to solve.
Curated OER
Catalase Enzyme
Students 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...
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
Observation and Stimulation of bioluminescence and chemiluminescence
Young scholars are introduced to chemical reactions, reaction rates, chemiluminescence, fluorescence and bioluminescence. They use glow sticks are used to demonstrate the effect of temperature on the rates of chemical reactions. Pupils...
Curated OER
Collisions Drive Reactions
In this reactions worksheet, students determine what must take place in order for a reaction to occur. Students complete 6 short answer questions.
Curated OER
Chemistry 152 - Competencies
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
Curated OER
Physical and Chemical Changes Crossword
In this chemistry instructional activity, learners complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.
Curated OER
Answers for Physical and Chemical Changes Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.