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Instructional Video6:44
Bozeman Science

Photosynthesis Lab Walkthrough

12th - Higher Ed
Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles which...
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Instructional Video13:25
Bozeman Science

AP Biology Labs - part 1

12th - Higher Ed
Paul Andersen details the first 7 of 13 labs in the AP Biology Curriculum. The following topics are all covered: Artificial Selection, Hardy-Weinberg Equilibrium, Comparing DNA using BLAST, Diffusion and Osmosis, Photosynthesis,...
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Instructional Video5:42
Bozeman Science

AP Biology Lab 4: Plant Pigments and Photosynthesis

12th - Higher Ed
Paul Andersen explains how pigments can be separated using chromatography. He shows how you can calculate the Rf value for each pigment. He then explains how you can measure the rate of photosynthesis using leaf chads and water...
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Instructional Video0:31
The March of Time

1949: PHOTOSYNTHESIS LABORATORY

12th - Higher Ed
MOT 1949: PHOTOSYNTHESIS LABORATORY: INT MS Female scientist in plant lab. MS Cutting corn stalks. MS Cultivating in flasks of water, shaken by machine. MS Man pouring radioactive carbon. VS Removing leaf from charger, into beaker....
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Instructional Video4:13
National Geographic

What's in a Lichen? How Scientists Got It Wrong for 150 Years | Short Film Showcase

Pre-K - 11th
For 150 years, scientists believed lichen were defined by a symbiotic relationship between a fungus and algae. Meet the team of researchers who upended this belief in this short film by Andy Johnson, Talia Yuki Moore, Chris A. Johns, and...
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Instructional Video0:26
Science360

Sucrose molecular structure - Sweet Side of Chemistry

12th - Higher Ed
Sucrose is table sugar—that ubiquitous sweet white crystal that sweetens our tea, coffee and apple pies, yet is also the villain blamed for tooth decay and other health issues. Through its Biological Sciences Directorate, NSF has funded...
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Instructional Video59:58
The Royal Institution

Jim Al-Khalili - Quantum Life: How Physics Can Revolutionise Biology

9th - 11th
In this Friday Evening Discourse at the Royal Institution, Professor Jim Al-Khalili explores how the mysteries of quantum theory might be observable at the biological level. Although many examples can be found in the scientific...
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Instructional Video2:21
MinuteEarth

Why Are Leaves Green? Part 1

6th - 12th Standards
Consider a question that baffles even scientists. Why are leaves green? The video lesson offers a theory that begins with the first aquatic plants. Learners consider alternative explanations as well.

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