ScienceBoom Episode #4 – Chemical Weathering
In this episode we go to Central Park and take a look at the chemical weathering of Cleopatra’s Needle. Then we go back to lab and I show you how to model chemical weathering with your students.
Watch on: YouTube | Revver | Download
Host: Michael Doig
Duration: 4:19
Materials
- Chalk
- Paper Clip
- Vinegar
- Eye Dropper
- 250ml Beaker
Weathering Fast Facts
- Weathering is the mechanical and chemical breakdown of rocks and minerals, eventually creating soils.
- Chemical weathering reactions include carbonation, hydrolysis, oxidation, solution and hydration reactions.
- Biologically produced chemicals, such as those produced by lichens and mosses, can also break down rocks.
Popularity: 50% [?]

The videos were down overnight due to a technical glitch. The audio sync issue is now fixed.
hello im barbra and i would like to say that i love your episodes. some of the people i know have seen your episodes and some like it and others think you guys are science geeks. well dont worry because i think you guys are great. im a science geek too and i really enjoy your shows.
Thank you Barbra. We are science geeks!