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Food Chains and Webs--- "What's for dinner?"
Students study food chains and how the organisms are linked. In this investigative worksheet students answer food chain questions, and fill out several worksheets.
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Math Club #16: Knot Theory
For this math club #16: knot theory worksheet, 9th graders read about knot theory, analyze diagrams of knots, make knots to match the diagrams and answer 6 questions about advanced knots.
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Unit Circle and Triangle
Students apply the Unit Circle to solve ratios of triangles. In this geometry lesson, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.
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Extracting DNA
Students explore DNA, genes, chromosomes and the chemicals that make up DNA. They research Internet resources to develop their knowledge of DNA. They conduct an experiment to separate DNA from peas and create a poster that they can use...
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What Do We Have In Common?
Seventh graders perform a dissection on a mussels and label their internal organs. In groups, they compare and contrast the mussels structure to those of human beings. They also review the functions that are necessary for survival and...
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Taxonomy and the World of Microorganisms and Viruses
For this taxonomy worksheet, students understand how organisms are classified using Linnaeus' system. Students classify organisms as either plant or animal. This worksheet has 24 fill in the blank and 6 matching questions.
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Lost Baby
Students simulate the steps involved in creating a DNA fingerprint by the RFLP technique. They analyze RFLP patterns to determine the parentage of a missing baby.
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"Environmental Activism and its Components"
Students explore how an individual has power and voice in all levels of the government as well as in the making of laws that involve environmental issues and regulations. They assess the steps involved in turning a bill into law. In...
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Superbugs and Antibiotic Resistance
Students complete experiments on antibiotics and antimicrobials. In groups, they explain how antibiotics affect the evolution of microorganisms. They test various types of bacteria to discover how much resistance they have to antibiotics.
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Nutrient Biochemistry
In this nutrient biochemistry worksheet, students complete the blanks with information about nucleic acids and the process. Students also draw a figure referenced in the text given.
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Designing a Tropical Reserve System
Young scholars explain the complexity of resource, land use, and conservation decisions.
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"Chips" Off the Old Block?
Learners study using analogies between common items or occurrences and science concepts. They use the analogy of cookie recipes to that of the DNA "recipes" for living things to help us explain more about mutations.
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Physical Habitat of a Stream
Young scholars measure in metric units and use a stopwatch, calculator. They collect data with minimal instructions after the initial pre-activity briefing, then record data in the data sheets provided.
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How to Conquer a Genetic Disease
Students study the details of DNA restriction analysis and how RFLP's are used to locate genes on a map of DNA.
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Water Quality Monitoring of Natural Water
Students set up their own monitoring system. They collect samples from an appropriate sampling site. They analyze data and determine the water quality. They present their information to the class and draw a conclusion.
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Termite Lab
Students examine insect behavior in a lab activity. Students explore the idea of chemical specificity and the reactions of termites to a chemical found in their trail pheromone. Students watch a demonstration with termites before...
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Socioeconomic Implications of Fetal Transplantation An Exercise in Bioethics
Learners explore ethical problems. In groups, students examine and study a given ethical problem. They practice techniques for making ethical decisions and interact with each other in the resolution. Learners support their decision...
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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...
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Cloning of Plasmid and Spinach DNA
Students ligate fragments of genomic DNA from spinach into a vector plasmid. They perform a restriction enzyme digestion. Student use a ligated DNA molecule to transform E. coli cells. Students analyze their procedures and outcome of...
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Is Your Water Clean?
Students conduct tests of water samples from different sources, such as a local river, tap water, and an irrigation ditch. After determining which pollutants are present in each sample, students hypothesize the possible sources of the...
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The Chromosome Connection
Students evaluate the degree of chromosome similarity and difference between humans and apes. Students infer about the relationship between a human and ape based on similarities found.
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Stream Flow in Blacks Creek
Students explore what factors affect the stream flow in a local body of water. They collect data to measure stream flow and discharge and construct a hypothesis concerning the factors affecting stream flow.
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Cave Painting in the Ice Age
Students take notes and sketch during the Internet research. They take notes of the colors found in the cave paintings (black, browns, ochre, sienna). They create an initial full size comprehensive sketch on scrap paper and in their...
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Atoms, Molecules, and Chemical Bonds
For this atoms worksheet, students review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.