Thursday, September 26, 2013


We just learned a little about LEDs

Let's learn about Lava!

Lava is molten (or melted) rock!

To melt rock, the temperature has to be over 1,200 degrees.
(from: wikipedia - lava)

The word lava is also used for the cooled down lava that turns into rock.

cooled lava
(from: wikipedia - lava)

Kid Facts - Blast from the past: ENIAC