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Assessment
Curated OER

1999 U.S. National Chemistry Olympiad Part II

For Students 9th - 12th
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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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad Part II

For Students 9th - 12th
For this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
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PPT
Curated OER

Metabolism & Enzymes

For Teachers 9th - Higher Ed
More extensive than just a general overview of digestion and reactions, this slide show gives information about all areas of enzyme function.  Topics like the chemistry behind efficiency of enzymes, factors that affect speed of reaction,...
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Worksheet
Curated OER

Rates of Chemical Reactions

For Students 8th - 11th
Review key terms after your lecture about chemical reactions with this crossword puzzle. Eleven questions prompt students to refer to their textbooks, lecture notes, and prior knowledge. This assignment would be a good homework...
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Worksheet
Curated OER

Chemistry in Action

For Students 9th - 12th
In this chemistry in action worksheet, students read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what they should know...
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Worksheet
Curated OER

D-block Ions as Catalysts

For Students 9th - 12th
For this catalysts worksheet, students use transition metals ions to catalyze oxidation reactions of iodide ions. Students measure the rate of the reactions by measuring free iodine as a product.
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Lesson Plan
Curated OER

Enzyme Lab

For Teachers 9th - 12th
Young scholars investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of...
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Worksheet
Curated OER

Kinetics

For Students 10th - 12th
In this kinetics worksheet, students answer a variety of questions. They find reaction rates, determine the order of reactions and they determine rate constants. They calculate the half-life for reactants and they answer questions about...
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Worksheet
Curated OER

WS 12.8 More Organic Reactions

For Students 12th - Higher Ed
In this organic molecules worksheet, students write structural formulas for products of reactions of alkenes. They also write equations using structural or line formulas for halogenation reactions and hydrohalogenation reactions.
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PPT
Curated OER

Exothermic vs. Endothermic

For Teachers 10th
The PowerPoint opens with video footage of the decomposition of nitrogen triiodide and then explains it with diagrams. Graphs of exothermic and endothermic reactions are exhibited, as well as one for the effect of a catalyst on reaction...
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Lesson Plan
Curated OER

Enzymes

For Teachers K - Higher Ed
Students explore enzymes and what can inhibit and act as a catalyst for them.  In this enzymes lesson students complete experiments on enzyme properties.
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Worksheet
Curated OER

Describing Chemical Reactions

For Students 10th - 12th
In this chemical reactions worksheet, students fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...
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Lesson Plan
Curated OER

Magic Genie

For Teachers 7th - 12th
Students observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.