ISLA: Look at the shape of this rock, Connor! CONNOR: Good find! That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment - that's ...

In Mrs. Patterson’s third-grade class at Hammond Hill, we learned about rocks. The most fascinating classification of rock to me is igneous because igneous rock forms from lava or magma. They also ...