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Product Details
Students learn how to make their own algae beads and get hands-on experience developing a model and testing a hypothesis. They begin by learning about the relationship between wavelength of light and the rate of 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.
Time Requirement
Teacher prep, approximately 2 class periods. Pre-lab, investigation, and assessment, 4 class periods.
Digital Resources
Includes 1-year access to digital resources that support 3-dimensional instruction for NGSS. Digital resources may include a teacher manual and student guide, pre-lab activities and setup videos, phenomenon videos, simulations, and post-lab analysis and assessments.
Performance Expectations
HS-LS1-5
HS-LS1-6
Crosscutting Concepts
Energy and Matter
Disciplinary Core Ideas
LS1.C: Organization for Matter and Energy Flow in Organisms
Science and Engineering Practices
Developing and Using Models
Learning Objectives
Prerequisite Knowledge and Skills
Students should know the processes of photosynthesis and cellular respiration. They should also be familiar with pH.