Floating fragments of elodea can grow even without roots. Young scientists use eldoea plants to observe the oxygen production from photosynthesis. They study the difference between having access to high amounts of light and low amounts of light. They then complete a formal evaluation.

Concepts

photosynthesis, data collection

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Additional Tags

science

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Instructional Ideas

• Plan for the Explore step to last a few days rather than the 20 minutes listed for best results

Classroom Considerations

• Requires basic prior knowledge of photosynthesis and plant structures
• Assumes pupils have completed the lesson Photosynthesis, Introduction and that they remember the visual model

Pros

• Follows a 5E format
• Uses easy-to-find lab supplies

Cons

• None

Common Core

RST.6-8.3 RST.6-8.4 RST.9-10.3 RST.9-10.4 RST.11-12.3 RST.11-12.4