https://padlet.com/flash7193/6qm0hxgjlipc Rocks come from different places like for example igneous rocks form when lava cools down and becomes hard. en-us 2017-03-17 15:35:59 UTC 2017-03-17 16:04:38 UTC hello@padlet.com flash7193 https://padlet.com/flash7193/6qm0hxgjlipc/wish/160832204 Rocks are not just nothingness , cause they keep keep you from being a blob of ash on top of lava in the mantle. And that really cool, or should I say hot cause lava is really hot.   ]]> 2017-03-17 15:46:01 UTC https://padlet.com/flash7193/6qm0hxgjlipc/wish/160832204