When It Fizzes—A Peek into the Ancient Sea! Uncovering the Mystery of Rocks with Just a Drop of Acid (Limestone vs. Chert)
I’m Ken Kuwako, your Science Trainer. Every day is an experiment. [This article is also available on the radio!] A smooth, white rock lying on the side of the road. Wouldn’t you want to know its true identity? Like a detective in a forensic investigation, a single drop of a “magic liquid” can unlock the […]
