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Handwashing and Sanitation
Students experience and visualize first hand the importance of proper hand washing through a hand washing experiment with different temperatures of water and with a different length of time to wash. They prevent food-borne illness and...
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Food Safety Lab-Part 3 Cross Contamination andHygiene
Learners observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing bacteria...
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Volumetric Analysis 3-To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis instructional activity, students determine the relative molecular mass of an unknown group 1 carbonate by experimenting with a known amount of hydrochloric acid. Students use volumetric analysis to determine...
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Making Hail
Fourth graders investigate the different types of precipitation and conduct a hail experiment. They identify the types of precipitation during a slideshow, and define key vocabulary terms. Next, in small groups they follow the...
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Photosynthesis Explored
Students observe the production of gas as an effect of photosynthesis. In this biology lesson plan, students perform an experiment with pondweed and make measurements and predictions about photosynthesis and the plant.
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Analysis of Bleach
Students analyze and compare laundry bleaches by testing their oxidizing powers. They conduct their lab experiment, compare/contrast their results with other students' work, and complete a worksheet.
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Esters as Food Flavorings
Students produce esters in the laboratory by combining different carboxylic acids with different alcohol. In this esterification lesson plan, students experiment with 3 carboxylic acids and 3 alcohols to produce 3 esters with fruit like...
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Endothermic and Exothermic Lab
In this endothermic and exothermic reactions worksheet, students experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2 minute...
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Chemical and Physical Changes Lab
In this chemical and physical change worksheet, students conduct a variety of experiments with unknown solutions and make observations. Students determine if the properties of the solutions have changed and if there is a chemical or...
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Working It Out
Students participate in a simulation in which they are arbitrarily assigned different work roles and compare their experiences to those discussed in a New York Times article about the racial divisions in a pork production plant.
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Unsaturated, Saturated and Supersaturated
High schoolers investigate unsaturated, saturated and supersaturated solutions. In this solutions lesson plan, students experiment with sodium acetate and produce three different types of solutions including a saturated solution of...
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An Introduction to Acids and Bases
Students explore acids and bases. In this instructional activity about acids and bases, students do an experiment to test certain items to determine what they are. Students use cabbage and litmus paper as indicators. Students understand...
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Alternative Energy Sources
Students recognize that people have various opinions on the use of renewable energy.In this renewable energy lesson, students research to find the best uses of renewable energy. Students create an original design for a group...
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Kidney Filtering
Students investigate how kidneys function. They discuss how a dialysis machine works, and conduct an experiment in which they filter different substances through a plastic window screen, various sizes of hardware cloth, and poultry...
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Outdoor Classroom's for the '90s Student
Students relish in experiencing an outdoor classroom. Students sign a contract stating that they will follow the rules of the outdoor classroom. Students help to keep the outdoor classroom clean and up to date with all the needed...
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Penny Lab
In this percent composition worksheet, students carry out an experiment to determine the percent of zinc in a penny. They write a balanced equation for the chemical reaction they performed with the penny and hydrochloric acid.
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Profit From Pumpkins
Third graders cut open a pumpkin. In this math instructional activity, 3rd graders complete the worksheet "From Seed to Pumpkin" and then clean out their pumpkins to see how many seeds are in it.
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Stream Table
Students explore channelization, riparian habitats and soil erosion to find out about the aquatic habitats in Iowa. In this aquatic habitats lesson, students define important terms and read an article about pollution. Students complete...
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Measuring pH
Students perform an experiment which will illustrate how to measure the approximate pH of chemicals in water using a pH indicator. They understand that a pH indicator is a chemical that changes color when it comes in contact with acids...
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Polymer Chemistry: More than Just Plastic
Fifth graders examine polymers and how they are formed. In this chemistry lesson students complete their own polymer experiment then discuss what they learned.
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Simulating the Effects of Biodegradable Wastes on Dissolved Oxygen
Students evaluate the relationship between biodegradable waste and dissolved oxygen in water. In this biodegradable wastes lesson students complete a lab activity in groups then analyze their results.
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Artist in Schools Program
Young scholars explore the medium of watercolor paints. They observe basic watercolor painting techniques (such as wet-on-wet, wet-on-dry and dry-on-dry). Then students experiment with these techniques on small squares of watercolor paper.
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
ARKive
Biodiversity and Evolution
Why is diversity in biology so important for an ecosystem? Explore biodiversity, evolution, and natural selection with a presentation for your biology class. It features clear information, activities for further understanding, and...