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Properties of Water
Biology and chemistry learners alike will benefit from this presentation about the properties of water. It reveals that most of its unique characteristics are due to the hydrogen bonding within the water molecule. Attractive graphics...
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Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
NASA
The Importance of Food
Pupils make observations while eating food. They act out the process of food breaking down in the body and the roles of various chemical components, such as sugar and protein. It concludes with an activity illustrating the process and a...
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Separating a Starch-Glucose Mixture Using Gel Filtration
Learners 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.
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Effects of pH on Organic Molecules
Students 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 using...
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Building a Model DNA
Students explain the function of DNA in the body. In this biology lesson, students build a DNA model using simple materials. They demonstrate how bases pair up in the helix.
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What's on Your Plate?
Pupils demonstrate the path of food in the body. In this biology lesson, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.
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DNA Blueprint for Life
Students isolate DNA from different food sources. In this biology instructional activity, students research DNA extraction. They analyze DNA stands collected from the lab, and compare the differences between each.
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The Genetics of Antibody Diversity
Students distinguish between the light and heavy chain sections. In this biology instructional activity, students simulate the DNA splicing process. They calculate antibody diversity using the information given.
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The Human Genome Project: WebQuest Jigsaw
Twelfth graders research facts about the Human Genome Project. In this biology lesson, 12th graders brainstorm on the pros and cons of this project. They complete the jigsaw puzzle and present their findings in class.
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One Tough Worm
Students explain the process of chemosynthesis. They are able to explain the relevance of chemosynthesis to biological communities in the vicinity of cold seeps.
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Who Stole My Salad?
Eighth graders explain how protein is made in the cell. In this biology lesson, 8th graders translate RNA and DNA using an internet database. They determine the thief based on evidence collected.
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Brain Watching
Students identify the different parts of the nervous system. In this biology instructional activity, students research methods to diagnose and cure neurological disorders. They present their report to class.
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Catering Middle-School Science: Monomers, Polymers, and Macromolecules
Students investigate foods. In this biology lesson plan, students will conduct testing on different types of foods as they learn about different molecules that make them up. Students will also learn about the shapes of the molecules.
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Electron Transport System Made Fun and Easy:
Students identity the components of electron transport system through role play. They explain the role of intermediate energy carriers to the production of ATP molecules. They describe the relationship of electron transport system to...
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Molecular Approaches to Evolution
Students examine the molecular studies of organisms that have led to a new era in their understanding of speciation and evolutionary relationships. Students study the allelic frequency of genes controlling specific molecules and assess...
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Winter
High schoolers explore the nature of water and water molecules. They examine the role of ice on organisms.
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Gas Transport
In this biology worksheet, students examine the transport of gases in the circulatory system and how they bond to hemoglobin.
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Why Plants Are Green
Students discover the properties of chlorophyll in plants. In this plant biology lesson, students conduct an experiment to find where the chlorophyll in the plant is located. Students are split into small groups and study plant parts....
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Nucleic Acids and Protein Synthesis
Tenth graders complete a vocabulary assignment based on terms in the unit. They complete appropriate worksheets as each section of the unit is completed. They participate in classroom discussions. They construct a model of a DNA molecule.
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Sequencing
Students gather information about gene sequencing. In this biology lesson, students use the Internet to access information about gene sequencing, then work in pairs to read and record a gene sequence. Lesson includes extension activities.
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Indirect Observation
Students observe obscertainers through indirect observations and make hypotheses about the internal wall structures of the containers. In this indirect observation lesson plan, students make observations of 4 obscertainers with a steel...
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Protein Synthesis Activities
Learners participate in a teacher-guided activity to teach about protein synthesis. Student roles include one person as the DNA molecule, another is a single stranded sequence of complementary mRNA.
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Biochemistry, Secretion, and Transport of Hormones
In this biology worksheet, students look at various steps involved in the biochemistry involved in the use of hormones on the human body.