In this mobile worksheet, 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 worksheet has 3 problems to solve.

Learners 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.

In this electrolysis reactions instructional activity, students determine the mass of a compound and the time required for specific electrolysis reactions. This instructional activity has 5 problems to solve.

In this Chemistry 1A learning exercise, learners 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...

In this stoichiometry instructional activity, students calculate the mass of product created from given chemical reaction equations. This instructional activity has 4 problems to solve.

In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.

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...

In this half-life activity, 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...

In this scientific notation instructional activity, students solve equations containing numbers in standard notation and scientific notation.  They add, subtract, multiply, and divide problems with scientific notation.  This...

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...

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.

In this moles worksheet, 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 worksheet has 4 problems to solve.

Students investigate early mass production in various industries, and then create presentation posters outlining how a typical 19th-century factory, mill or refinery worked.

In this complex salt worksheet, learners create teraamminecopper(II) sulfate · 1 · 2H₂O using copper(II) sulfate, concentrated ammonia, and ethanol. Students determine the formula mass for their product, the theoretical yield of the...

Sixth graders compare and contrast mass and weight. In 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.

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...

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...

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...

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...

Open this lesson 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 measure...

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,...

In this nuclear decay learning exercise, high schoolers 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,...

Young scholars summarize the three sectors of industry and how these sectors applied to the Industrial Revolution. Students apply their skills in research and note-taking, as well as vocabulary building through web organizers. Young...

Students design and build their own car. For this physics lesson, students collect data to determine the speed of the car. They plot the data on the graph analyze the relationship between variables.