In this acids and bases learning exercise, students identify the strengths of acids and  bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases,...

Students make slime. In this chemical reaction lesson, student use Borax to make a gel like solution. Students add all ingredients listed, add food coloring, and mix well. Students see first hand how  chemicals react together and...

For this percent of iron in lawnsand learning exercise, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find...

For this preparation of triiodomethane learning exercise, students use propanone to prepare triiodomethane. Students use filtration and recrystallization to produce the product. They determine the melting point using a melting point...

In this thermometric titration learning exercise, learners titrate hydrochloric acid with sodium hydroxide to determine its concentration. They measured the solution's change in temperature, plotted their data, and used the graph to find...

Learners perform an experiment to determine which source of gas (their breath, exhaust from a car, or the air in the classroom) has a greater concentration of carbon dioxide. Students compare the colors of BTB solutions after...

Students study various aspects of air. For this science lesson plan, students discover that air occupies space, understand the visual effects of air, and explain how air exerts force.

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...

In this chemistry instructional activity, students complete a chart about common compounds. Examples include baking soda, sugar, and wood alcohol.

In this diffusion through a membrane instructional activity, learners fill in the blanks to complete 27 statements about cell membranes, the movement of molecules across the cell membrane, concentration gradients and diffusion.

Middle schoolers investigate the pigments in Magic Markers using chromatography. In this paper chromatography lesson plan, students use absorbent paper and mark the strip with a Magic Marker. They place the strip in a solvent and observe...

In this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as it is titrated. The equivalence point is found...

Students discover how rocks are created.  In this rock formation lesson, students investigate saturation, evaporation, and phase changes in geology.  Students create rock candy from skewers, string, boiling water and sugar.

Students explore the components of matter. They discover what matter is, the states of matter, and how heat and cold cause it to change states in an online format. In addition, they complete internet-based lessons, activities, and quizzes.

In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.

In this polymer worksheet, students make two types of cross linked polymers and they test their physical properties. These include their response to agitation, stretchability, viscosity, and resilience.

Learners conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry lesson, students drop food coloring in water with different properties (hot, with ice, with alcohol) and observe how...

Students use short-chain polymers and borate ions to produce cross-linked polymers in the lab. In this cross-linked polymer lesson plan, students produce polyvinyl acetate slime and polyvinyl alcohol slime and test their physical...

Students investigate the effects of four different shaped wands and geometric shapes in a bubble solution. In this bubbleology lesson, the students build water and soap molecules. Students work in cooperative groups and conduct...

In this heat transfer and phase change worksheet, learners experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...

Third graders identify the different states of matter. In this science lesson, 3rd graders describe the different components of solutions and mixtures. They create emulsions, foams and suspensions in the lab.

Sixth graders create pottery out of black clay using traditional methods. They demonstrate appropriate Native American cultural traditions related to the making of black pottery, including prayers to Mother Earth and Clay Woman.

Students analyze and classify substances.  In this classifying matter instructional activity, students look at various substances and identify them as heterogeneous or homogeneous mixtures, pure substances, or solutions. ...

Students participate in a variety of activities that involve bubbles. In this bubbles lesson plan, students make bubbles out of a soap solution, make bubble domes, make bubbles with their hands, and more.