Science
Energy Flow in an Ecosystem: Food Chains and the 10% Rule
Students classify organisms as producers or consumers, calculate energy passed along a food chain using the 10% rule and predict the effects of removing one species.
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Career & technical ed.
Farm to Table: Food Supply Chain and Price Math
Students follow a loaf of bread from wheat field to store shelf, calculate how the price grows at each stage and explain why, and weigh local food choices.
Science
Food Webs and the 10% Rule: Following the Energy
Students read about energy flow, learn the vocabulary of food chains, and use the 10% rule to calculate how much energy reaches each level of an energy pyramid.
Science
Pond Food Web Detective: Who Eats Whom?
Students use a feeding table for a pond community to sort organisms into roles, trace food chains and predict what happens when one species disappears.