How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...

Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to...

Lesson 19 in the series of 36 analyzes the element hydrogen and the s-block elements. Through readings, answering questions, and discussion, learners write about and explain their occurrence, physical and chemical properties, and...

In this science worksheet, 5th graders answer multiple choice questions about the ocean, animals, rocks, and more. Students complete 25 questions.

Buoys around our coastlines are equipped with sensory devices which monitor temperature, salinity, and water pressure. Emerging earth scientists examine some of this data and relate salinity to the electrical conductivity of the surface...

Students perform flame tests on salts and record the electron configurations for various cations. They analyze and record the results using spectroscopes.

In this aqueous equilbria activity, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This activity has 14...

In this stoichiometry worksheet, students calculate the mass or compounds or volume or gases produced from given chemical reactions. This worksheet has 5 problems to solve.

In this changes worksheet, students compare and contrast the characteristics of physical and chemical changes. Students practice balancing equations. This worksheet has 5 fill in the blank and 7 short answer questions.

In this stoichiometry worksheet, students determine the limiting reagents and the mass of compound precipitated in given chemical reactions. This worksheet has 4 problems to solve.

In this writing formulas worksheet, high schoolers write the formulas for 15 ionic compounds and name their anions and cations. Students balance the charges of the ions to determine the formula.

Students measure the heat of physical and chemical changes in reactions.  In this chemistry lesson plan students determine at what extent changes emit or absorb heat. 

Fifth graders make cheese using two different methods. In this cheese making lesson, 5th graders make rennet cultured cheese following the step by step directions. They also make cheese using a genetically engineered bacteria that makes...

Students design experiments examining the effects of various solutes on water. They record results on graphs explaining any unexpected consequences of their experiments and determine if their hypotheses were correct.

Students use a rapid method to render the bacterium Escherichia coli "competent" in order to uptake plasmid DNA. They also have growth on the plain LB plates by the untransformed cells (which serve as controls). Students perform a cell...

Young scholars investigate a rapid method to render the bacterium Escherichia coli "competent" to uptake plasmid DNA. They demonstrate the phenotypic changes associated with transformation. They perform a cell resuspension from the...

Eighth graders measure temperature changes and make drawings of the interactions between matter and energy. By measuring the temperature students can conclude if there are changes in levels of energy. .

In this stoichiometry learning exercise, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This learning exercise has 5 problems to solve.

Ninth graders research the different field of bioengineering. In this biology lesson, 9th graders differentiate meiosis and mitosis. They discuss the pros and cons of using radiation in medical diagnostics.

In this molarity worksheet, students determine the mass needed to make the given solutions and calculate molarity and volume of solutions. This worksheet has 14 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.

In this compounds learning exercise, students write the name or the chemical formula for the given single-charge cations. This learning exercise has 20 problems to solve.

In this compounds instructional activity, students write the chemical formula for the chemical ionic formulas given. This instructional activity has 25 problems to solve.

In this compounds worksheet, students write the oxidation numbers for the given elements and then write the formulas for the given binary compounds. This worksheet has 3 problems to solve.