Curated OER
Matter
Eighth graders explore chemical reactions and their products. They define a chemical reaction and describe the characteristics of a chemical reaction. Students classify chemical reactions.
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Stoichiometry
For this stoichiometry worksheet, students balance equations and name the reactants and products. This worksheet has 2 problems to solve.
Curated OER
Space Mobile Puzzle
In this mobile instructional activity, students determine the mass of the missing pieces of a mobile by using the mass of the other pieces and the length of the crossbars. This instructional activity has 3 problems to solve.
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Ammonium Nitrate - Efficient Fertilizers
Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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Electrolysis Reactions
In this electrolysis reactions worksheet, students determine the mass of a compound and the time required for specific electrolysis reactions. This worksheet has 5 problems to solve.
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Chemistry 1A Review
In this Chemistry 1A worksheet, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...
Curated OER
Stoichiometry Practice Problems
In this stoichiometry worksheet, learners calculate the mass of product created from given chemical reaction equations. This worksheet has 4 problems to solve.
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Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
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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...
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Half-life Worksheet
In this half-life worksheet, students determine how long it takes for a 100g sample of AU-198 to decay to 6.25g. Then they determine the half-life of a radioactive isotope if a 500.0g sample decays to 62.5g in 24.3 hours. Students also...
Curated OER
Scientific Notation myTestBook.com
In this scientific notation worksheet, students solve equations containing numbers in standard notation and scientific notation. They add, subtract, multiply, and divide problems with scientific notation. This one-page worksheet...
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Technology: Mass Production and Standardization
Students explore standardization and mass production by creating verbal visual vocabulary tables. They discover how industrial inventions increase profits for businesses. Students create three-tiered definition concept trails using...
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Partial Products
Third graders study partial-products algorithms. In this math lesson, 3rd graders use an algorithm to find the product of factors. Students discuss the relationships between multiplication and division.
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Moles
In this moles activity, 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 activity has 4 problems to solve.
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Industrial Light and Magic
Students investigate early mass production in various industries, and then create presentation posters outlining how a typical 19th-century factory, mill or refinery worked.
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The Preparation of Teraamminecopper(II) Sulphate-1-water
In this complex salt learning exercise, students create teraamminecopper(II)sulphate-1-water using copper(II)sulphate, concentrated ammonia and ethanol. Students determine the formula mass for their product, the theoretical yield of the...
Curated OER
Physics and Me
Sixth graders compare and contrast mass and weight. For this physics lesson, 6th graders calculate speed given distance and time information. They construct a rocket and relate this to Newton's 3rd Law of motion.
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Comparison of Protein Sequences From Two Samples of Crabmeat Using Gel Electrophoresis As an Introduction To the Biotechnology Lab
Students discover that proteins that are the product of DNA translation are different for different species. They determine that by analyzing their mass and charge they can differentiate between two different species. They use some of...
Curated OER
Regular Coke vs. Diet Coke: Which is Denser?
Learners define the terms "mass," "volume," and "density." The relationship between these three terms is established. They observe the differences between Regular and Diet Coke. They develop an hypotheses about why a can of Regular Coke...
Institute of Electrical and Electronics Engineers
Ship the Chip
Here is a tasty challenge, especially for middle school engineers: design a container that meets mass and volume criteria, and will safely transport a tortilla or potato chip through the mail without damaging it! Mostly, this is a crisp...
Curated OER
Stoichiometry
In this stoichiometry worksheet, high schoolers 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...
Consortium for Ocean Science Exploration and Engagement (COSEE)
Ocean Acidification: Whats and Hows
Open this activity by demonstrating the production of acidic carbon dioxide gas by activated yeast. Emerging ecologists then experiment with seashells to discover the effect of ocean acidification on shelled marine organisms. They...
Discovery Education
Submarines and Aircraft Carriers: The Science of Nuclear Power
As physics masters view this presentation, they learn how nuclear power is used in submarines. They use Google Maps to plot a course through the ocean and calculate the time required for surfacing and traveling. They learn about fission,...
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Nuclear Decay
In this nuclear decay activity, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...