3rd Grade What If the Frogs Disappear?
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3rd Grade What If the Frogs Disappear? preview and details
About this worksheet
3rd Grade What If the Frogs Disappear? Worksheet
One missing animal can change a whole pond. In this food chain prediction worksheet, students use a grass, grasshopper, frog, and snake chain to reason through what happens when most frogs leave: grasshoppers increase, grass decreases, and snakes decline because they have less to eat. It is the exact frog example from the Texas standard, taught step by step.
Key Science Vocabulary
food chain, ecosystem, predict, increase, decrease, interdependence
What's Inside
- Teach box that walks through the change one link at a time
- Part A: circle more, fewer, or less for each organism
- Part B: circle the best reason for each change
- Answer key with a "watch for" misconception note
Standards
TEKS 3.12B: predict how changes in a food chain, such as removing frogs from a pond, affect the ecosystem. Also supports NGSS 3-LS4-4.
Teaching Tip
Use arrows on the board and erase the frog. Ask students to point to who is now hungrier and who is now safer before they start Part A.
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