Curated OER
Determination of the Physical Properties of Dietary Fibers
In this dietary fibers worksheet, students compare and contrast the properties of different fibers: cellulose, hemicellulose, pectin, guar, agar, and xanthan gum. This worksheet has 5 short answer questions.
Curated OER
Pesticides and Eggshell Thinning.
Young scholars analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Curated OER
Physical and Chemical Properties
In this properties worksheet, students write the correct term in the spaces beside each definition. Then, students unscramble the letters in the boxes to answer a riddle.
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
Investigating Factors That Affect Rate of Enzyme Action
Students explore the properties of enzymes. In this chemical reaction lesson, students explore enzymes through a Web-quest and investigative study. Students will collect and summarize data and create a class presentation. This lesson is...
Kenan Fellows
Unit 3: Genetic Variation
What happens when genes change? Junior genetic investigators examine the effects of mutation in the third unit of a four-part Biotechnology series. Individuals discover the types of mutations through a series of PowerPoints, then partner...
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...
Curated OER
Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology lesson, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
Curated OER
Investigation of Meiosis in Common Plants and Animals
Students witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
Curated OER
ABOUT ALL YOU CAN EAT: Superfoods
Students trace back through time to see how the nutritional value of food consumed was enhanced. For this nutrients lesson students complete several activities that show the mass of food, and its PH value.
Curated OER
Enzymes and Jell-O
Students 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.
Curated OER
Conserving Chemical Resources
Students balance chemical equations and solve for gram to mole ratios.
Curated OER
Water Chestnut Graphing Activity
Students are taught how to format and enter data into an Excel spreadsheet. They make a graph and interpret graphed data. Students discuss possible impacts of water chestnut invasion. They graph data on water chestnut. Students report...
Curated OER
pH of Household Products
Tenth graders are provided with a piece of paper such as index, art, construction, or computer coating it with a universal indicator. They use cotton swabs HCl and NaOH to draw a picture repeating the same process using lemon juice and...
Curated OER
The Nature of Chemical Change: Acting Out An Example
Students illustrate the molecular nature of matter and show that chemical change involves alteration of molecules.
Curated OER
Everything You Ever Wanted to Know About Stoichiometry
In this chemistry learning exercise, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the...
Curated OER
The Nature of Chemical Change: Acting Out an Example
Students identify the signs that a chemical reaction took place. In this chemistry lesson, students role play the movement of different molecules of matter. They classify matter according to their properties.
Curated OER
National Chemistry Week
National Chemistry Week lessons enliven classroom science investigations.
Curated OER
Enzymes
Students explore enzymes and what can inhibit and act as a catalyst for them. In this enzymes instructional activity students complete experiments on enzyme properties.
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Infectious Disease Case Study Part I
Eleventh graders work together to complete a simulation on infectious diseases. They determine which concepts affect a disease more. They complete discussion questions as well.
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Mixtures
Sixth graders experiment with mixtures. In this chemistry lesson, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
Curated OER
Celebrate The Four Seasons
Students investigate cause and effect and compare and contrast how recurring cycles are evident in multiple aspects of their education. They answer questions in the chosen field. Students model each aspect by interpreting, perceiving and...
Curated OER
Scientist Simulation
Students imagine themselves working as research scientists completing the end-steps of a molecular research project and interpreting the data. They compare the gene sequences of normal and abnormal mice and evaluate the protein product...
Curated OER
Measuring Aquatic pH
Learners apply the scientific method and safety rules to aquatic pH. They test unknown solutions for pH levels.