Creative Chemistry
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in nitric...
Curated OER
Chemistry in Action
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...
Curated OER
Energy Changes, Rates of Reactions, Nuclear Chemistry
In this energy changes, rates of reactions and nuclear chemistry worksheet, students solve 14 problems to review concepts about endothermic and exothermic reactions, heat of combustion, heat of reactions, enthalpy, kinetic and potential...
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Dewey and Chemistry: The Water Cycle Revisited
Students undertake a series of experiments related to the water cycle. All experiments use John Dewey's experiential philosophy as their bases. Each lesson plan is clearly based on philosophy and attempts to be relevant.
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Food Chemistry: The Chemistry of Sweeteners
Students investigate the properties of sweeteners. In this chemical property lesson, students examine the unique properties of sweeteners by performing several experiments. They will analyze the data to form a conclusion about the...
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Changing the Freezing Point of Water with Salt
First graders explore freezing points. In this science lesson plan, 1st graders determine the temperature at which water freezes, understand why salt water freezes at a lower temperature than plain water, and understand why the string...
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Properties of Salt
Students see how the properties of salt affect the color of flame, the flow of electricity, and the freezing temperature of water. They identify salt and sugar crystals under a microscope and discuss various practical uses of salt.
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The Chemistry of Life
In this molecule worksheet, students will use a diagram of a water molecule to see how many electrons and protons the molecule has and use a glycerol molecule diagram to discover carbon atom bonds. 5 fill-in-the-blank questions.
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Making "Cents" of Surface Tension
Students explore the unique behaviors of water. They investigate surface tension using water drops on a penny and pennies dropped in a cup.
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Three is a Toxic Number
Future public health advocates read a case study of a combination of water pollutants that may be linked to autism. The class is split into three groups, one to research each of the suspected chemicals. The look at how each one affects...
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Demonstration of Ideal Gas Law
You know that liquid nitrogen turns into a gas at room temperature. Place some in a two-liter bottle for a physics demonstration of the ideal gas law. Beware, however; this is a dangerous demonstration! Not to mention that you may not...
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5 Types of Chemical Reactions and a Lab on Mole
Students recognize the concepts of the five general types of chemical reaction: combination, decomposition, single replacement, double replacement and combustion. They practice classifying chemical equations and determine the moles in a...
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The Physical Behavior of Matter
Students distinguish between three phases of matter: solid, liquid and gas, on the molecular level. They compare and predict the relative compressibility of the three phases of matter through journal writings and drawings.
Teach Engineering
Efficiency of a Water Heating System
Tired of waiting for hot water? Groups of three determine the efficiency of an electric water-heating device. They calculate the amount of energy it takes to heat the water and the theoretical amount of energy required to heat the water....
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Teach Engineering
Battle of the Beams
Make the strongest beam possible using taffy? Groups mold a taffy-water mixture into a beam and a reinforcing material of their choice. To finish the final installment of a two-part series, participants test its strength by adding...
National Nanotechnology Infrastructure Network
Synthesis of Nickel Nanowires
It's all about the scale—they're not just wires, they're nanowires! The second lesson of the series builds on the oxidation-reduction experiment in the first lesson. Scholars synthesize a sample of nanowires using electrolysis. As they...
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The Chemistry of Water / Industrial Waste at My High School
Students gain factual knowledge of the nature of industrial waste at on their school site. They gain process knowledge of the laboratory techniques and collection procedures for wastewater samples.
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Construction of a Microscale Fuel Cell
Fuel cells are being called the "energy source" of the future. Allow your high school chemistry class to construct a miscroscale fuel cell, complete with all components to generate energy. This engaging activity will allow them to apply...
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Measuring for Chemistry: Moles, Compounds, and Conversions
Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...
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Mystery Eggs
Students investigate the properties of plastic eggs filled with solids, liquids, and gases and use these observations to hypothesize whether a chicken egg is hard-boiled or raw.
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Chemical Formulas for Molecules
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
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Water: Where in the Watershed?
Students become connected to their watershed by exploring a local water body and mapping its features. They focus on how the local watershed fits into the larger scheme of the watershed.
Curated OER
Ice or Water?
In this ice and water worksheet, students read about the energy needed to transform ice to liquid water. Students solve 3 problems where they calculate the energy needed to melt ice given different scenarios in space.