Curated OER
Moles and Stoichiometry Practice Problems
Five practice stoichiometry problems plus their answers fill this chemistry worksheet. Because the answers are spread across the bottom of the page, this would best be used as your class is just learning how to perform mole and mass...
Curated OER
IB Chemistry Practice Test
In this chemistry review worksheet, students practice using Avogadro's number, calculating number of moles, and using the gas laws. This worksheet has 39 multiple choice questions.
Curated OER
Equilibrium Problems
In this equilibrium worksheet, students determine the equilibrium concentrations and the equilibrium constant for the given reactions. This worksheet has 5 problems to solve.
Curated OER
Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
More Thermochemistry Problems
This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...
Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This worksheet has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...
Curated OER
The Ideal Gas Law
In this gas law worksheet, students apply the Ideal Gas Law by determine the volume, mass, or pressure of the given gases. This worksheet has 5 problems to solve.
Curated OER
Binary Compounds
In this compounds instructional activity, students write the oxidation numbers for the given elements and then write the formulas for the given binary compounds. This instructional activity has 3 problems to solve.
Curated OER
Binary Compounds
Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...
Cmassengale
Photosynthesis Diagrams Worksheet
Help young botanists get to the root of photosynthesis with this series of worksheets. By completing these diagrams, students demonstrate their understanding of the biological structures and chemical reactions that make this...
Curated OER
Pesticide Watch Card
Students examine human health by identifying dangerous pesticides. In this agriculture lesson, students research the food production system in the United States and discuss dangers such as pesticides, chemicals and insecticides which...
Curated OER
The Transfer of Energy 2: Electrochemistry
Students study about electrochemistry by increasing their understanding of electron transfer and its role in chemical changes. They explain that energy appears in different forms. Heat energy is in the disorderly motion of molecules.
Curated OER
Blueprint Paper
Young scholars investigate chemical reactions involved in making a blueprint. For this blueprint paper lesson plan, students expose blueprint paper with writing that has been soaked in a solution of potassium ferricyanide and iron (III)...
Curated OER
Close Encounters
Students investigate the cause of death of a fictitious school janitor. They develop hypotheses based on information discovered by examining the labels of household chemicals.
Curated OER
Creating Biodiesel and Mitigating Waste
Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
Curated OER
Safety Comes First
Here is a thorough lesson on safety in the chemistry lab. Chemists review a detailed list of safety rules, draw the layout of the laboratory area to include emergency equipment, identify hazard warnings, and consult the MSDS in order to...
Curated OER
Stoichiometry
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
NASA
The Importance of Food
Pupils make observations while eating food. They act out the process of food breaking down in the body and the roles of various chemical components, such as sugar and protein. It concludes with an activity illustrating the process and a...
Curated OER
A Shocking Experience
Learners differentiate between current and static electricity, conductors and insulators, explain how energy is converted from chemical to electrical, measure voltage of batteries, collect data on voltage, and predict voltage of...
Curated OER
Hydrogen Peroxide Analysis
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
Curated OER
2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
Stoichiometry in the Real World
Real world chemical reactions are used as examples for teaching stoichiometry. Viewers work through air bag inflation, fat conversion to water in a camel, rocket fuel combustion, and carbon dioxide removal in spacecraft. Make...
Scholastic
Study Jams! Photosynthesis
One friend explains to another that plants combine water and carbon dioxide with the energy of the sun to produce sugar and oxygen. She mentions the roles of the roots, chloroplasts, and stomata in an engaging video that reviews how...
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