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Grade 5scienceStudents practice tracing energy and matter through food webs involving producers, consumers, and decomposers.

Food Webs and Energy Flow

Explore food webs, decomposers, and energy flow with 10 problems, an answer key, and a free printable PDF for Grade 5.

10 problems · Standards: 5-LS2-1 · Difficulty: medium

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✅ Answer key included · ✅ Free for home & classroom use

Highlights

Grade: Grade 5
Subject: science
Topic: Students practice tracing energy and matter through food webs involving producers, consumers, and decomposers.
Pages: 3 · worksheet + answer key
Answer key: ✅ Included
Class time: about 15 min

1. In this food chain, grass → rabbit → hawk, which organism is the producer?
2. In this food chain, oak tree → caterpillar → robin, which organism gets energy directly from the oak tree?
3. A mushroom breaks down a dead log into nutrients that return to the soil. What role does the mushroom play in this food web?
4. In this food web, algae → minnow → bass → heron, how many consumers are shown?
5. Clover plants grow in a meadow, mice eat the clover, and snakes eat the mice. If the arrow shows energy flow, which direction should the arrow point between mice and snakes?
6. In a pond ecosystem, lily pads make their own food, tadpoles eat algae, dragonfly larvae eat tadpoles, and bacteria break down dead dragonflies. Which two organisms are producers in this food web?

Showing 6 of 10 problems. The free PDF includes every problem plus the full answer key.

The free PDF includes all 3 pages — every problem plus the full answer key.

10 problems across 3 pages (worksheet + answer key)
Answer key included — every answer, ready to check
Standards: 5-LS2-1
Skill: Students practice tracing energy and matter through food webs involving producers, consumers, and decomposers.
Suggested use: classwork, homework, or sub plans

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