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Alcoholic Fermentation in Yeast
Biology learners investigate the effect of sucrose concentration on yeast alcoholic fermentation. During the lesson,they compare and contrast the processes of cellular respiration and alcoholic fermentation. They design an experiment to...
Columbus City Schools
Changes All Around Us
Whoa! What just happened? That's right, change is everywhere. But what exactly is changing? Middle school science sleuths get to the bottom of the changes matter can experience. Through simple demonstrations, engaging videos, and an...
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Chlorophyll
Students explain the importance of chlorophyll in plants. In this biology lesson, students extract chlorophyll from different plant sources using chromatography. They discover the different factors needed for photosynthesis to take place.
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Stomata: Microscopic Openings that Let Plants Breathe
Learners participate in a lab experiment to observe and measure the opening and closing of stomata. They focus on photoperiod, locate and identify stomata on a leaf and explain the role of stomata in the daily functioning of a plant.
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Mighty Oaks from Little Acorns
What does it mean to grow? To germinate? For the plan detailed here, class members investigate the growth process of an oak tree while focusing on the beginning stages of planting and germination. They plant seeds and record observations...
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Glucose
Students conduct various experiments on glucose. In this biology instructional activity, students differentiate the process of diffusion and osmosis. They test different foods for the presence of glucose and starch.
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Monitoring Oxygen Level
Students measure oxygen percentages in room air and air exhaled after they perform various activities. They explore various websites, and record and analyze the data from the experiments.
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Harvesting Energy from Food: How do Plants Help Humans?
Beginning botanists view slides of plant vascular tissue. They watch Magic School Bus Gets Planted, which you can find online, and then write a summary of what they have learned about plants. This lesson could be used with upper...
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Life In Extreme Environments
Students work together to design and participate in experiments to determine the rate rotifers eat. After completing their experiments, they record and analyze their data and identify any challenges faced during the procedure. They...
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Mussel Ecology
Students are introduced to the marine environment of the mussel. The emphasis of the lesson is upon what human factors are present to influence the environment in positive and negative ways. They brainstorm in groups in order to conduct...
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Plant Transpiration
Students conduct various experiments to investigate plant transpiration. In this biology lesson, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a potometer.
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Color Change in Leaves
High schoolers identify the different leaf pigments and colors. In this biology lesson, students perform chromatography to separate them. They explain how light affects green leaf colors and causes falling leaves in autumn.
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Plankton / Phytoplankton
Students discuss the importance of plankton in the ocean ecosystem. In this biology activity, students identify the different types plankton by observing them under the microscope. They explain how plankton population affect global climate.
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Thin Layer Chromatography (TLC) Separation of Plant Pigments - Chlorophyll, Carotene
Students use TLC separations to identify various substances. In this chlorophyll lesson students separate pigments found in different plants.
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Coral Reefs
Young scholars research coral reefs and identify their benefits to humans, threats to the reef, how to reduce and eliminate threats, and more. In this coral reef lesson plan, students research the reefs, and take a field trip to an...
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Carbon Dioxide
Students conduct a series of experiments to explore carbon dioxide properties. In this chemistry lesson, students explain the production and uses of this gas. They measure its amount in soda and waste product of yeast.
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Carbon Dioxide Heats It Up
Students design an investigation to test whether vegetation in an area helps regulate the ambient air temperature. They make comparisons between the investigation and global changes in climate. In groups, they present their findings to...
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Cell Energy-Colorful Respiration
Students examine the acid-base indicator, bromthymol blue (BTB), and what happens to it when you blow air into it or add plants and snails. Through an experiment, they test three different setups of BTB and record the color changes that...
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Introduction to Dissolved Oxygen and Demonstration of a Simple Test Procedure
Students explain the importance of dissolved oxygen in water ecosystems. They describe the aquatic oxygen cycle and the effect of water pollution on oxygen. They make observations, collect data and draw a conclusion.
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Mycorrhiza
Learners examine the symbiotic relationship between fungus and plants. In this ecosystem lesson students complete several mycorrhiza experiments.
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Algae Experiments
Students describe the characteristics of algae. In this biology instructional activity, students perform a series of experiment to explore algae. They investigate the basic things algae need to survive.
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Mold
Students explore mold, the different types and the health risks that they pose. In this mycelium lesson students grow different molds and see which type of foods mold the fastest.