Mrs. Trevino's 2nd Grade Class
Tuesday, January 25, 2011
Here what the experts have to say....
Today, we used SKYPE to learn more about rocks. Here are a few clips of what we learned.
What makes a rock so hard?
How do minderals and crystals grow?
What are the softest types of rocks?
What is mud? Where there really dinosaurs in Texas?
How deep is the largest volcano?
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