Curated OER
Can Chromatography Separate A Pigment?
Students separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.
Curated OER
Science Show
Pupils research topics. They teach a lesson based on their chosen topic to other students.
Virginia Department of Education
Aspirin Analysis
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand.
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to boil water through...
Virginia Department of Education
Soap, Slime, and Creative Chromatography
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson plan that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure...
Curated OER
Metals and Non-metals
A half-page chart compares the properties of metals and nonmetals. Properties include appearance, melting and boiling point, density, strength, malleability, ductility, heat and electrical conductivity, and the nature of their oxides....
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
Science Geek
Intermolecular Forces of Attraction
Chemists love London (dispersion forces)! Presentation begins with an explanation of intermolecular forces including hydrogen bonding, dipole-dipole attraction, and London dispersion forces. It also covers polarity and the relative...
Curated OER
Baking Soda and Vinegar Volcano
Students construct a volcano using baking soda and vinegar. In this earth science lesson, students explain the reaction that takes place when these two chemicals combine together.
Curated OER
Evidence of Chemical Change
In this chemical change worksheet, young scholars conduct 4 experiments set up around the room. They follow the instructions at each station for each experiment and list the physical properties and observe any changes at each station....
Curated OER
Separating a Starch-Glucose Mixture Using Gel Filtration
Young scholars experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
Curated OER
DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
Curated OER
Hatching Chickens
Learners observe caring for eggs and chickens. In this hatching lesson students brainstorm what they know about chickens and carefully watch what happens.
Curated OER
Interpreting pH
In this pH worksheet, students read about pH and the concentration of ions in solutions that are acidic and basic. They answer four questions about pH and determine the concentration of hydronium ions and the pH given concentrations of...
Kenan Fellows
Qualitative Kinetics: Examining the Effect of an Enzyme on a Reaction
Scholars learn about kinetics and buffers as they use qualitative and quantitative methods to understand enzyme rates and buffer capacity. The application of Beer's Law and spectrophotometry solidifies pupils' knowledge in the first of...
Curated OER
Water: The Neutral Substance
In this water worksheet, learners read about hydrogen bonds in water and the differences in electronegativity between the oxygen atom and the two hydrogen atoms in water. Students answer four questions about the structure of water and...
Curated OER
50 Ways to name Your Compound
In this compounds worksheet, learners review the rules for naming compounds. Students apply these rules by writing the chemical name or formula for the 50 compounds given.
Curated OER
Paint Property Experiments
Students identify various kinds of paints by using the scientific method. In this solvents lesson students collect data and identify paint samples while working in teams.
Curated OER
Activity #17 Co2 From Alka Seltzer
Students observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.
Curated OER
Reacting Masses Problems
In this reactions learning exercise, student determine the products of a reaction, balance an equation, and calculate the number of moles in an experiment. This learning exercise has 4 problems to solve.
Curated OER
Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Curated OER
Water Resource Engineering
Students examine solubility and the significance of water. In this aqueous solution lesson students complete a lab activity on soil profiles.