Month: July 2018

Mexican California: The Heyday of the Rachos

For a quarter century after the achievement of Mexican independence in 1821, California was a remote northern province of the nation of Mexico. Huge cattle ranches, or ranchos, emerged as the dominant institutions of Mexican California. Traders and settlers from the United States began to arrive, harbingers of the great changes that would sweep California…… Continue reading Mexican California: The Heyday of the Rachos

DIY Squeeze Box – Observe Mountain Building – Eric Muller

Build. Observe. Play in the sand and dirt. Making your own easy-to-build squeeze box is fun for lots of different reasons, including educational ones. This Science Snacks video with Eric Muller from The Exploratorium provides instructions for building the box and experimenting with faults and folds:Your Squeeze Box replicates geologic structures found in areas that have undergone or are undergoing compressional forces, such as regions near…… Continue reading DIY Squeeze Box – Observe Mountain Building – Eric Muller