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The Structure of DNA
Students will demonstrate knowledge of the structure of DNA by constructing simple models of DNA with materials given to them in class. They will also discover that some female scientists such as Rosalind Franklin have not been given...
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Evolution of Biotechnology Timeline
Young scholars explore how present biotechnology has evolved. They create a timeline is included referencing major scientists and major events in history which have led to our current understanding and use. A teacher time line is included.
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DNA Sequencing Simulation
Students simulate the Sanger method of DNA sequencing using color pop-beads as a representation of nucleotides and dideoxynucleotides. Students assemble DNA sequences and run their sequences through a "sequencing gel" and sketch what...
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X Is For Wonderment
Students engage in a lesson that is concerned with the "X" chromosome and how ti is part of genetics with the use of Punnett squares. They use this tool in order to predict future genetic outcomes while focusing upon specific questions.
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Genetics - The Study of Inheritance
For this genetics worksheet, learners will compare four pea plants with different alleles that control flower color and complete 5 short answer questions. Then students will read 8 statements about genetic mutations and determine if the...
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Clues to Copying the Code
In this DNA worksheet, students access a website to determine the information that was used to understand DNA replication. Students compare the difference between observations and opinions. This worksheet has 7 short answer questions and...
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Understanding the Power of Genes
Students research the impacts of genetic research on homes, research laboratories, and hospitals. In this genetics lesson, students use the Internet to investigate the ways that genetics has affected our way of life. They present...
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Restriction Digest + DNA Comparison
Students compare different DNA and run a gel electrophoresis. In this DNA lesson students complete a DNA activity that allows them to better understand its structure and function.
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Radiation Reassessed
Learners investigate the dangers of radiation by exploring recent nuclear tragedies. In this scientific debate lesson plan, students define the idea of radiation "half life" and determine if low doses of radiation are truly...
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Extracting DNA from Your Cells - Teacher Preparation Notes
Students extract their own DNA from cheek cells. In this biology instructional activity, students explain the replication process. They identify the structure and composition of DNA.
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Understanding of the Structure of an Amino Group
Students review the characteristics of acids and bases. They examine the structure of an amino group and compare amines to ammonia. They work together to develop the concent of polymerization.
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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.
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The Meaning of Genetic Variation
Students investigate variation in the beta globin gene by identifying base changes that do and do not alter function, and by using several Internet-based resources to consider the significance in different environments of the base...
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Effects of pH on Organic Molecules
High schoolers investigate the effects of an acid and a base on the structure of milk protein. They observe the changes to droplets of milk when adding ammonia and lemon juice and relate the changes to old, curdled milk. An extension...
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Molecular Approaches to Evolution
High schoolers are introduced to working with molecular data. The first activity does both simulated and original data are used to compare amino acid, protein or DNA differences to construct phylogenetic trees or cladograms. These...
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Cavern Geology: Speleothem Construction
Students discover how underground rock formations grow. They perform various activities based on grade level.
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Cation Separation and Identification
Young scholars conduct an experiment in which they systematically separate cations from a mixture of substances. They use the following types of reactions to do so: precipitation, acids and bases, oxidation and reduction. They compare a...
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Science Show
Students research topics. They teach a lesson plan based on their chosen topic to other students.
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The Case of the Disappearing Frogs
Students complete an Internet based activity to investigate the case of the disappearing tadpoles. They discover the interrelationship of living things.
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A TOUGH NUT TO CRACK
Based on a set of criteria, students will evaluate the quality of pecans.1. Bring a gram scale and papershell pecans. Provide five pecans for each student. 2. Divide the class into groups of five and provide each member with five pecans....
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Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
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Digestive System
In this digestive system worksheet, students answer a list of true/ false questions. The students answer questions based on their knowledge of each process of the digestive system.
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Interpreting pH
In this pH activity, 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...
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Water: The Neutral Substance
In this water activity, high schoolers 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...
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