Elementary (ages 5-10)

This demonstration uses a slinky and tuning fork to explain two types of waveforms in our world: transverse and longitudinal. A discussion on sound waves is included and leads to categorizing sound waves as longitudinal waves.

Learn about "passive" cooking through this energy efficient workshop! Participants will make pasta noodles by using hot water and an insulated travel mug, and eat a delicious meal. Water molecules, energy, heat, isolated systems - these are only a few physical concepts introduced in this engaging demonstration!

Falling space rocks collide with the surface of planets and moons to create impact craters which can be found all over our solar system

Make a flaming tube to explore the physics of waves and acoustics.

The Rubens' Tube should be used with caution and vigilance, especially if used indoors. 

 

Build a simple Chladni plate using a 6" x 6" metal sheet, a 2 watt speaker, powered with a 20 gain amplifier and phone. Sprinkle sand on the sheet, and play various sound frequencies to reveal the sheet's assortment of resonant vibrational modes. 

Along with the plate demo itself, an amplifier can be made fairly easily with an LM386 op amp. Download instructions for making the amplifier under associated files or can be found here

Explore the properties of liquid nitrogen while making a tasty treat. This demo is great for chapter socials and smaller outreach events.

Tuning forks are one of the few instruments that resonate with one distinct frequency. Create a workshop with tuning forks with this variety of quick, fun demos ranging from visualizing sound with lasers, to watching energy transfer through pendulums.

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