Ecosystems CER Activities Claim Evidence Reasoning Science Worksheets

These interesting Ecosystems CER (Claim, Evidence, Reasoning) Activities can help kids think like scientists!
This resource helps students develop their critical thinking, scientific reasoning, reading comprehension, and evidence-based writing skills while introducing them to key ecosystem principles.
After reading brief scientific passages regarding ecosystems, students will utilise the CER framework to formulate hypotheses, pinpoint supporting details, and provide a scientific justification for their conclusions.
Ideal for independent practice, review, homework, science centres, STEM activities, scientific classes, and exam preparation.

What's Included?

✅ 8 Ecosystem CER Activities

✅ Short Informational Science Passages

✅ Claim-Evidence-Reasoning Practice

✅ Critical Thinking Activities

✅ Scientific Reasoning Skills

✅ Student Recording Sheets

✅ Complete Answer Key

✅ Ready-to-Print PDF

Topics Covered

🌿 What Is an Ecosystem?

🌲 Forest Ecosystems

🐸 Pond Ecosystems

🌵 Desert Ecosystems

🌾 Grassland Ecosystems

🌊 Ocean Ecosystems

🔗 Food Chains

♻️ Human Impact on Ecosystems

Skills Practised

✔ Claim, Evidence, Reasoning (CER)

✔ Reading Informational Text

✔ Science Literacy

✔ Critical Thinking

✔ Scientific Argumentation

✔ Analysing Evidence

✔ Ecosystem Vocabulary

✔ STEM Learning

Perfect For

⭐ Years 4–6

⭐ Science Centres

⭐ STEM Lessons

⭐ Independent Work

⭐ Homework

⭐ Test Review

⭐ Homeschool Learning

⭐ Cover Lessons