Gizmo Identifying Nutrients

Interactive biology worksheet using Gizmo to explore food nutrients. Students learn how to identify proteins, lipids, and carbohydrates through lab tests like Benedict’s test, and analyze their role in providing energy.

Daniel Miller

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Gizmos■■■■■■■■■■■■■■■■■■■■■■■■■Marne:Dale:Student Explorationidentifying NutrientsDirections: Follow the instructions t o g o through thesimuiation.Respond t o the questions andprompts i n the orange boxes.Vocabulary carbohydrate, d (saccharide,pid. monosaccharide, polysaccharide, protein, starchPrior Knowledge Questions (Do these BEFORE using the Gizmo.)1.VWiat are the major types of nutrients you can get from food?proteins. lipids, and carboiydrates2.How are these nutrients used by your cody?these nutrients are used in your body for energyGizmo Warm-upHave you ewer wondeted idial s in your food? Sclent sts Lse a variety oftests to determine the nutritional content of food. You wilearn four ofthose tests with the foenrAtej Mdri&rts Gizmo.1.Below tbeFood samples lacel, drag tube Atte the Food sampleholder. Below the Benedict test, click the Test button. 'Aha: i s doneh the Benedict lest?TubeAmaze the Bene: c: test tum orange.2.The Beneoic l sduton i s a lest for monosaccharides; simpe sugarsIk e glucose or fructose (fruit sugar); and some disaccharides sucha s lactose and maltose. In contact with these Suga's, the Benedictsolution turns from blue to greet to orange. Fo'simpicrty, w e willconsider tne Benedict test a test for monosaccharides only.Coes Sample A contain these sugars?Note: Sucrase (table sugar) s a disaccharide that isntrf detected by the Benedict test. Foods sweetenedonly with table sugar will show a negative Benedict test.Pip-Ml.dirl-:< td.calcnal u »m y . P u b K i - H - rw"ra“ttK.Z I D C £zpoi(L«a-n«ig** M l HQta i t M r . B C

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Nutrition

Gizmo Identifying Nutrients

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