In this chemical reaction worksheet, students investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and after...

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...

Students study various aspects of air. In 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.

Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....

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 diffusion through a membrane worksheet, students fill in the blanks to complete 27 statements about cell membranes, the movement of molecules across the cell membrane, concentration gradients and diffusion.

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.

For this element properties worksheet, students complete a crossword puzzle with 91 questions related to properties of elements and compounds.

Students design an appropriate and usable storyboard and then create a claymation video. They take digital photographs frame by frame, then assemble the stop-motion movie using video software.

Students observe and investigate properties of acids and bases. In this acids and bases lesson plan, students perform 5 different experiments including reactions of acids and metals, reaction of acids with carbonates, neutralization...

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

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 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 TLC separations to identify various substances.  In this chlorophyll lesson students separate pigments found in different plants.

Second graders use knowledge of measurements and ratios to mix various combinations of liquid starch and glue. They chart their ratios, make observations, and write a summary of the activity. They mix their own batch of Crazy Putty to...

Students determine what characteristics are useful in classifying items.  In this sorting organisms instructional activity students create and explain a classification scheme using familiar organisms. 

Young scholars participate in an experiment to demonstrate how mixing certain chemicals together can change the consistency of both chemicals. Glue, water, and borax are used to create a slime-like substance which is examined to...

Students predict, observe and draw conclusions while working on an experiment with "slime." Students accurately record observations and draw conclusions about the experiment.

Students participate in a lab experiment involving soap bubbles and making bubble prints. They blow bubbles into the soap and add paint to make bubble prints. With extra time, they can play with a variety of bubble toys to see what...

In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...

Eighth graders explore and demonstrate the seven steps of the scientific method. They predict how much sugar is in chewing gum and test, analyze, and calculate the sugar content of gum.

Young scholars test for the presence of enzymes in fruit and the specificity of those enzymes. They identify the susceptibility of enzymes to certain environmental factors such as temperature and pH in the enzymes environment.