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For a class of 30 working in groups of 3. Brighten your photosynthesis lessons with algae beads. Students learn how to make algae beads, and get hands-on experience developing and testing a hypothesis using colored filters, their algae beads, and a bicarbonate indicator solution.

Produce a refined model of photosynthesis that includes the role light wavelengths play in the photosynthesis process.

PE: HS-LS1-5
Related PE: HS-LS1-6
Time Requirement: 2 45-minute Class Periods

SEP: Developing and Using Models
CCC: Energy and Matter
DCI: LS1.C: Organization for Matter and Energy Flow in Organisms

For a class of 30 working in groups of 3. Looking for a way to brighten your photosynthesis lessons? Use algae beads! In this activity, students learn how to make their own algae beads and get hands-on experience developing and testing a hypothesis. They begin by learning about the correlation between light wavelength and photosynthesis. From there, student groups form hypotheses about how different colored light filters affect photosynthesis rate. Finally, they test their hypotheses using colored filters, their algae beads, and a bicarbonate indicator solution. This lab activity addresses the following Next Generation Science Standards: HS-LS1-5 and MS-LS1-6. Note: Order the kit with the perishable material included or with a voucher to request perishable material later at your convenience. Contact us or return the voucher to request delivery of perishable material. The algae must be grown in a lab for 2 weeks prior to use.

*Next Generation Science Standards® is a registered trademark of WestEd. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it.