Curated OER
What Happens When Chemical Are Put Together?
In this chemical reactions worksheet, learners answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.
Consortium for Ocean Science Exploration and Engagement (COSEE)
Carbon Dioxide & Krill: Impacts
What effects do temperature and carbon dioxide levels have on the zooplankton of Antarctica? This concluding lesson plan in a short unit on climate change and the ocean helps environmental scientists answer these questions. After...
Curated OER
Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
Young scholars add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when...
Curated OER
Follow Up Questions Lab 1-Chemical Reactions
In this chemical reactions worksheet, students answer follow up questions to a lab where they were observing chemical changes in reactions after mixing products such as hydrochloric acid and sodium bicarbonate. They answer six questions...
Curated OER
Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
Teach Engineering
Inside the DNA
Get your class to take a closer look at DNA. Pupils conduct research to determine the methods used by scientists to analyze the molecular structure of DNA. The class members investigate different types of molecular imaging along with gel...
Curated OER
Baking Soda vs. Baking Powder
In this chemical reactions worksheet, students by comparing the chemical reactions of baking soda and baking powder. This worksheet has a graphic organizer and 7 short answer questions.
Curated OER
Jobs in the 21st Century
Students understand the tools that will be used in the lab in the 21st century. In this job preparation lesson, students experiment and understand how to use lab equipment. Students will write about the lab tools they've experimented...
Curated OER
Gel Electrophoresis
High schoolers conduct a variety of experiments to explore gel electrophoresis. In this biology instructional activity, explain how this process separate DNA and RNA. They discuss the practical applications of this method.
Curated OER
Learning the Structure and Function of DNA
Students read about Humane Genome Project, examine structure and function of DNA, and participate in gel-electrophoresis lab. They complete Internet activity to test their knowledge of DNA.
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.
Cornell University
Extracting DNA
Uncover the basics of DNA structure through exploration activities. Collaborative groups build DNA models and recreate the process of replication. Then, using plant cells such as peas or strawberries, they extract a DNA sample.
Curated OER
How much Carbon Dioxide is in My Seltzer Water?
Students discover the law of conservation of mass though experimentation. In this chemistry lesson, students experiment with acid - base indicators to determine the presence of carbon dioxide. Students complete the labs with...
Royal Society of Chemistry
Polymers—Gifted and Talented Chemistry
Polymers are an important part of our day-to-day lives, but how much do your pupils know about them? Learn the basics and beyond in a series of activities designed to build skills in observation, planning, organic chemistry, and bonding.
Curated OER
Enzyme Labs Using Jello
Students test for the presence of enzymes in fruit and the specificity of those enzymes, as well as to identify and show the susceptibility of enzymes to certain environmental factors (temperature and pH) originating in the enzyme's...
Curated OER
DNA Sequencing Simulation
Students explore the Sanger sequencing method which produces a nested set of radioactive fragments from a template strand. They simulate the Sanger method of sequencing DNA, both visually and kinesthetically.
Curated OER
Household Acids and Bases
Ninth graders complete an experiment to determine the pH values of a variety of common household substances. They use red cabbage to find the indicator colors of the pH range. They complete a data table that includes a prediction and...
Curated OER
Cents-ible Chemistry-Analysis of the Metal in a Penny
Students determine the base metals and surface metals in a penny. In this analysis of metals lesson plan, students determine the density of five pennies minted in different years. They use different chemicals such as hydrochloric acid,...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Cholera and the Scientific Method
Five individuals in the class are "infected" with cholera! The rest of the class serves as investigators to discover the source of the outbreak. They test drinking fountains around campus for contamination. You, of course, will secretly...
Curated OER
Classroom Aquaponics: Exploring Nitrogen Cycling in a Closed System
Learners investigate nutrient cycling in a simplified desktop ecosystem involving aquarium and hydro-ponically grown plants. They set up an aquarium with 10 gallons of water at least a week before the lab is planned and place...
Curated OER
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,...
Curated OER
Antacid Lesson Plan
Eleventh graders use titration methods to study properties of antacids. They look at the strength, effectiveness, PH, and effect of supplements taken at the same time. They make observations after the different mixtures are combined and...
Curated OER
Building a DNA Molecule, Mitosis in Motion and Mutation Gossip
Learners explore three lab experiments involving DNA, mitosis, and mutation. They complete activities and play games to review DNA, mitosis and mutation concepts. They build a DNA molecule and create flip cards representing mitosis in...