Purdue University
Can You Design a Hot or Cold Pack?
You're getting warmer. Groups conduct an experiment to determine which of four chemicals are in hot/cold packs. They learn about exothermic and endothermic reactions and use this knowledge to design a hot/cold pack that is small enough...
Beyond Benign
Cookie Equations
Cookies and chemical equations have a lot in common! Using cookies as a reference, scholars learn to balance chemical equations. Pieces of the cookies represent different parts of the compounds and elements. This is the sixth installment...
Pearson
The Chemical Context of Life
An educational presentation includes atoms, molecules, the four major elements, as well as neutrons and protons. Additionally, slides focus on atomic number, mass number, atomic weight, polar and nonpolar covalent bonding, ionic bonds,...
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...
American Chemical Society
The Fate of Calcium Carbonate
Soften up an egg. Learners use vinegar to test for calcium carbonate in an egg shell and an antacid tablet and compare the reaction with vinegar to the reaction with water. In a second experiment, class members break down an egg shell...
College Board
2014 AP® Chemistry Free-Response Questions
More than half of AP Chemistry test takers earn a high enough score to get college credit. Improve that statistic by using past test questions including precipitate, molarity, and chemical equations to prepare for a future exam. The...
Curated OER
Activity #19 Oxygen For Yeast
Students observe and record what occurs when yeast is added to hydrogen peroxide. They indicate why a chemical reaction (decompostion) must have occurred during the experiement. Pupils explain why yeast was used. Students comprehend the...
Curated OER
Physical vs. Chemical
In this physical vs. chemical change activity, high schoolers answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...
Curated OER
Chemical Changes
Second graders investigate chemical changes and reactions and will identify four characteristics that indicate a chemical change. In this chemical change lesson plan, 2nd graders perform experiments that promote chemical changes. They...
Curated OER
Balancing Redox Reactions
In this chemical equation lesson, students balance 10 redox equations. The worksheet is printable and the answers are not available.
Curated OER
Moles
In this moles worksheet, students calculate the number of moles found in a specific chemical compound mass. Students also calculate how many moles in produced in specific reactions. This worksheet has 4 problems to solve.
Curated OER
Practice Sheet - Aromatic Systems
For this aromatic systems worksheet, students draw the structures of the given compounds and name compounds shown. Students complete the reactions given. This worksheet has 4 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students determine the concentration of solutions and calculate the molarity of solutions for given chemical equations. This worksheet has 4 problems to solve.
Curated OER
Confectionary Bureau of Investigations: Case of the Cookie Mystery
Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...
Curated OER
A Clock Reaction
This is an advanced rates of reactions worksheet. Students will be determining reaction times, molarities, and reactions rates for different reactions.
Curated OER
Kinetics and Temperature
In this kinetics worksheet, learners calculate the value of the activation energy for reactions at given rate constants. This worksheet has 5 problems to solve.
Curated OER
Heat Transfer Problems
In this heat transfer worksheet, students calculate the final temperature of specific reactions. This worksheet has 6 problems to solve.
Curated OER
Chemical Energy
In this science worksheet, students read about enzymes and nutrition. Students also answer 2 comprehension questions about the reading.
Curated OER
Atoms, Molecules, and Ions
In this molecules worksheet, students review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This worksheet has 6 short answer questions and 17...
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
Unit 8 Redox and Electrochemistry
Two topics are covered by this chemistry worksheet: redox reactions and electrochemistry. Thorough review notes are followed by a series of multiple choice questions about oxidation numbers, redox reactions, electrochemical cells, and...
Curated OER
Spontaneity, Disorder and Entropy
In this physical and chemical change worksheet, students calculate the entropy change involved in different chemical changes. This worksheet has 4 problems to solve.
Curated OER
Visualizing the Limiting Reactant
In this chemical equation worksheet, students determine the limiting reactant and the excess reactant for the given reactions. This worksheet has 10 problems to solve.
Curated OER
Demonstrate Your Chemistry
Students research and evaluate chemical reaction demonstrations that are found on the web. they work in small groups to choose a demonstration that fits a particular category of reaction and then perform the demonstration for the class.