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Plant Growth and Environment
Third graders bring to school various green plants and categorize them into plant leaves, stems, roots, and fruits. They answer the question, "How can you show there is starch in a plant?" and perform the iodine test and describe the...
Virginia Department of Education
The Ratio of Surface Area to Volume
Demonstrate the ratio of surface area to volume in your high school class by using phenolphthalein, gelatin, and an onion. Intrigue the class by leading a discussion on osmosis and diffusion, then making "scientific jello." Participants...
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The Scientific Method Using Mystery Powders
Students use the scientific method to determine physical and chemical properties of unknown substances. In this scientific method lesson plan, students discuss chemical and physical properties of substances as a class after a...
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Amylase Enzyme In Saliva
Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...
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Identifying Food Nutrients
Students pretend they are a food-quality tester. They develop a kit to test food for sugars, starches, proteins and lipids. They answer questions to complete the instructional activity.
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Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
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Confectionary Bureau of Investigations: Case of the Cookie Mystery
Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...
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A Very Simple Conductivity Meter
Learners conduct a simple conductivity meter to test the ionic or non-ionic nature of water samples including one from their home.
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An Introduction to Four Groups of Biologically Important Compounds
Students learn about the four biochemicals that are important biologically. In this biochemicals lesson plan, students identify the four major groups of biochemicals including carbohydrates, proteins, lipids and nucleic acids. They are...
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Plant Actions
Students explore plant life. In this biology lesson plan, students take part in 2 activities that require them to study photosynthesis and water transport in plants.
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Birth of a Plant From a Seed
Students sow seeds of learning. In this biology lesson plan, students label parts of a dicotyledon seed by function as well as by proper names.
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PhysioEx: Chemical and Physical Processes of Digestion
In this anatomy worksheet, pupils complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
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Diffusion Through a Membrane
In this diffusion through a membrane worksheet, students fill in the blanks to complete 27 statements about cell membranes, the movement of molecules across the cell membrane, concentration gradients and diffusion.
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Now you see it....Now you Don't
Students investigate the biodegrading process of packing peanuts. In this biological process lesson, students conduct an experiment to see how quickly packing peanuts biodegrade. Students check the process each day and record their results.
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Movement Across the Membrane (Diffusion)
Students investigate the concept of diffusion and how materials enter and leave a cell. In this movement across a membrane lesson plan, students use perfume, food coloring in water and a sugar cube in water to observe diffusion. They...
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A Very Simple Conductivity Meter
Students investigate the hardness of different water samples using the conductivity meter. For this chemistry lesson, students build their own meter following specific procedures. They identify an unknown sample of water.
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Science Lessons that Create the Right Chemistry!
Mix it up in your classroom with some chemistry investigations!
Curated OER
Enzymes
Tenth graders observe enzyme activity. They discuss the relationship between drug use and enzyme activity.