Download the Free 2025 3D Investigation Sampler

In these investigations, students explore:

• Biology: What can a sealed biosphere reveal about life on Earth—and beyond? Explore gas exchange in photosynthesis and cellular respiration.
• Chemistry: Why does tea change color when lemon juice is added? Investigate pH, chemical equilibrium, and Le Châtelier’s principle.
• Physics: What forces are at play when an elevator goes up? Model mass, motion, and Newton’s second law with an Atwood’s machine.

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Psst…Want even more ideas?

You can also download the 2024 back-to-school 3D investigation sampler for even more ready-to-use experiments!

• Biology: How can temperature affect the CO₂ production in bread yeast?
• Chemistry: What is the relationship between energy, particle motion, and temperature? How can this be used to regulate body temperature?
• Physics: How can a heavy cargo ship float on water when all the shipping containers it carries would sink?