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Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
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Describing a Chemical Reaction: Playing with Copper
Three experiments involving pennies help young chemists see the chemical reactions between copper and other elements. The first experiment is rhetorical (it prompts students to leave a bright penny out for a year) but the second two...
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Chromatography
High schoolers use chromatography to separate substances in Kool-Aid, Crayola markers and leaves. In this chromatography lesson plan, students make chromatograms to separate substances in a mixture through absorption. High schoolers find...
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Water Resource Engineering
Learners examine solubility and the significance of water. In this aqueous solution instructional activity students complete a lab activity on soil profiles.
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Physical vs. Chemical Change Lab
Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.
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Mixing It Up!
Third graders identify the different states of matter. In this science instructional activity, 3rd graders describe the different components of solutions and mixtures. They create emulsions, foams and suspensions in the lab.
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Physical Science: Bubble Prints
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...
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ISOLATION OF DNA FROM ONION
Students perform a laboratory exercise designed to show how DNA can easily be extracted from onion cells. They conduct an optional test for the presence of DNA using standard lab equipment.
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Limiting Reagent
Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...
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Where in the World is Carbon Dixoide?
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
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How To Culture Bacteria in the Laboratory
Students participate in an experiment in which they culture bacteria in a lab setting. They record their observations and analyze the data. They answer comprehension questions to end the lesson plan.
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New Jersey Estuaries Water Filter Activity
Students examine how an estuary's plants and soil filter water before it flows into the ocean. They complete a lab report drawing and writing about what they observe after completing a water filter activity.
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ISOLATION OF DNA FROM ONION
Students perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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Am I Neutral? pH Properties in Soil
Students participate in a science lab to determine the pH of three different soil samples. Students conduct an experiment by creating a question, a hypothesis and then an investigation of soil samples. Then they compare colors apprearing...
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A Burst of Light
Students discover the many uses of minerals in industry. They use minerals to conduct flame tests and to demostrate color. They practice safety tips in the lab.
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Root Beer Production
In this fermentation worksheet, students conduct an experiment to illustrate how the yeast fermentation process is used to produce carbonation. This worksheet has 5 short answer questions.
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Straw Chromatography
Young scholars become acquainted with the principles of liquid chromatography and construct a liquid chromatography column. Students also investigate the effects of different solvents and solvent concentrations in the separation process.
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Relating Moles to Coefficients of a Chemical Equation
High schoolers investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio...
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Straw Chromatography
High schoolers separate food coloring using liquid chromatography. For this chemistry lesson, students explain the effects of different solvents on the rate of separation.
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Can Acid and Bases Remedy the Body?
Students experiment with acids and bases using technology-based "probe-ware", computers, and household products in this exciting biology/chemistry lesson plan. The lesson plan was written for an advanced 6th grade class.
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Thin Layer Chromatography (TLC) Separation of Plant Pigments - Chlorophyll, Carotene
Students use TLC separations to identify various substances. In this chlorophyll instructional activity students separate pigments found in different plants.
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What's the Matter?
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.
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Enzymes and Jell-O
Learners 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.
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Sensational Slime
Students predict, observe and draw conclusions while working on an experiment with "slime." Students accurately record observations and draw conclusions about the experiment.