Dynamic music pumps up viewers as they learn about intrusive and extrusive igneous rocks. Presentation slides include a graphic depiction of magma below Earth's surface , photographs of lava exploding and flowing, and close-ups of...

First graders practice adding monetary values. In this money instructional activity, 1st graders discuss fair trades and then use coin values to purchase items from a class store. A video titled "Blossom and Snappy Go to the Bank, Part...