Curated OER
Testing for Life’s Molecules
Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...
Nuffield Foundation
Making a Calibration Curve for Starch Concentration
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
Curated OER
Macromolecule Lab
During a macromolecule lab, young chemists perform multiple tests, including iodine starch tests, to determine if eight mystery foods contain lipids, sugars, or starches.
Curated OER
Science as Inquiry: what is starch and how can we test it?
Sixth graders discuss nutrients and examine foods for starch. In this starch testing instructional activity, 6th graders use iodine to test foods for starch and record their results. Students complete a worksheet and self reflection.
Curated OER
Testing Leaves for Starch: the Technique
Like good scientists, kids often want to see first-hand why things are as they are; they can do just that in the starch-testing photosynthesis activity found here. Depending on the age of your pupils, you may wish to do the investigation...
Curated OER
Starches and Fats
Students observe the presence of starches and fats in different foods. In this science lesson plan, students distinguish between a food that contains starch and a food that contains fats, define the terms starches and fats, and classify...
Curated OER
Digestion Experiment and Teacher Made Test
Learners complete a digestion experiment using sugar, iodine, corn starch, and sugar test paper to test for starch and sugar in the body. In this digestion lesson plan, students learn how the body breaks down different ingredients.
Curated OER
Monomer and Polymer Chemistry
Students explain monomer/polymer chemistry of starches and sugars.
Curated OER
Starch Yer Thinkin' About Corn Products
Seventh graders study the parts of corn and explore the role of starch. In this corn products lesson students prepare a model of water and stones.
Curated OER
Diet: Find the Carbohydrates
Students discover and discuss the functions of carbohydrates. Once they have taken notes and completed worksheets, they perform experiments using iodine to test for starch. Lesson topics include how carbohydrates are processed by the...
Nuffield Foundation
Enzyme-Catalysed Synthesis
Enzymes: not just for breaking chemicals apart. Young biologists perform an experiment on potatoes. They first remove starch from potato extract. They then add the resulting liquid to samples of glucose-1-phosphate, glucose, maltose, and...
Curated OER
Evidence of Photosynthesis
Hands on science is the way to go! Learners conduct a lab experiment to help them explain how plants make food through photosynthesis. They test for the presence of starch in leaves using iodine solution and identify the basic things...
Curated OER
Ground Level Ozone Testing
Students prepare Shoenbein Paper to test the ground level of ozone. They dip a strip of their test paper in distilled water and hang it at a data collection site. They determine the relative humidity of the data collection site. Using a...
Curated OER
Food & Science - How Healthy is Your Diet?
Learners experiment with various foods to determine fat and starch content. They rub jam, peanut butter, bananas, and other foods in a small circle on a piece of paper, and observe the results. If there is a high fat content in 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...
Curated OER
Mystical Membrane
Students investigate osmosis, diffusion and a semi-permeable membrane. In this cell membrane lesson plan, students observe the movement of molecules out of a bag filled with sugar and starch into a beaker of water. They test the beaker...
Curated OER
Breaking It Down
Seventh graders explain the mechanism of digestion. In this biology instructional activity, 7th graders perform an iodine test to check for the presence of starch. They discuss how energy travels through the food chain.
Curated OER
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...
Curated OER
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...
Curated OER
Identifying Food Nutrients
High schoolers 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 lesson.
Curated OER
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.
Curated OER
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...
Curated OER
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...
Curated OER
A Very Simple Conductivity Meter
Students conduct a simple conductivity meter to test the ionic or non-ionic nature of water samples including one from their home.