Harvard Natural Sciences Lecture Demonstrations
The official YouTube channel of Harvard Natural Science Lecture Demonstrations. Here we have collected as a resource for science instructors short pieces that show some of our demonstration experiments. Most of the entries here link to more detailed descriptions of the demos on our website.

Radon Progeny Decay

Silver Solubility Series

Canned Heat - Colorful Flaming Gel

Microscale Thermite Reaction

Jumping Wire

Circular Motion vs Mass on Spring

Infrared Camera

5 Minutes of Lava Lamp Convection in 4K

Flame Tests of Metals

Nylon Synthesis

Metals in Acid

Limiting Reagent Vinegar or Baking Soda?

Polarization by Scattering, and Fishtank Sunset

Tower of Spectra

pH Buffer Solution

Dry Ice in Universal Indicator

Red Cabbage Indicator

Doppler Effect with Car Horn

Double Fire Tornado Yule Log (30 minute loop)

Radio Wave Properties: Electric and Magnetic Dipole Antennae

Photochemical Reaction of Hydrogen and Chlorine

55 Gallon Drum Collapse

Chaotic Waterwheel

Poiseuille's Law (16 tubes vs 1 tube)

Total Internal Reflection in Water "Bucket of Light"

Launch Lab, a conservation of momentum experiment

Blackbody Radiation Oven

Convection Cell "Sea Breeze" Visualization

What Does Acoustic Interference Look Like?

Visualizing Ultrasound with Schlieren Optics Part III