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Chemistry 12 Tutorial 2 - Enthalpy and Entropy
A beautifully designed, eighteen-page chemistry tutorial awaits your learners. The main topics: enthalpy and entropy. By completing this lesson, students will be able to define these concepts, determine whether each is increasing or...
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2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
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1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
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1999 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad laboratory worksheet, learners design and carry out two experiments. They design one experiment to test for the percent mass of a substance in a solution and they design another experiment to identify two...
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2008 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad lab instructional activity, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to...
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2006 U.S. National Chemistry Olympiad Part III
In this chemistry Olympiad lab worksheet, students are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and qualitative...
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2008 U.S. National Chemistry Olympiad Part I
In this chemistry Olympiad learning exercise, students solve sixty multiple choice questions on a variety of chemistry topics from finding molarity of solutions to calculating products of reactions. Students are given graphs, equations,...
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2000 U.S. National Chemistry Olympiad Part II
In this chemistry olympiad problem solving learning exercise, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
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2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
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Student Safety Contract
With spaces for both your science pupils and their parents to sign, this laboratory safety contract is a must-have for your science classes. Twenty-one rules applying to protection and hazard prevention are listed. Discuss them with your...
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Independent Plant Growth Experiment
This is an awesome lesson filled with tons of engaging learning activities. Over a period of weeks learners will make observations, collect plant and analyze plant data, read and review agricultural articles, design and conduct an...
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Save an Endangered Species
Have your young learners work in pairs to find and research an endangered species. They use research to develop ideas about saving their animal from extinction. Pairs develop a three-dimensional model of the animal's habitat. Then, they...
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Everything You Ever Wanted To Know About Hot Wire Chemical Vapor Deposition, But Were Afraid To Ask
To wrap up your year of general chemistry, have lab groups compete in a tot wire chemical vapor deposition (HWCVD) competition. With their foundation in chemical nomenclature, stoichiometry, and gas laws, each group completes several...
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Transportation Systems: Two Liter Boat Activity
Students design and build full-size boats made out of two-liter plastic bottles, chicken wire, and plywood. Then they race the boats, with the boat's designers "manning the hull", in the school's swimming pool.
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Pharaoh Mountain Hike: Investigating Adirondack Life Zones
Students hike a local mountain and examine its life zones. They measure various components at each zone and collect leaf litter at the sites. At the mountain top, students make descriptive observations and complete a handout about the...
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Making Variables More Concrete
When teaching about the different types of variables, practice is the key.