Crystals! Photo credit: www.esotericonline.net
Minerals are often arranged in a crystalline form, which means that they are crystals!
Crystals form when molecules and liquid grow together due to a temperature change. • An example of this is a snowflake or an ice crystal!! Photo Credit: photo.accuweather.com
Crystals often form when lava reaches air temperature and cools! • What kind of rock does this form? Photo Credit: vimeo.com
Other times, crystals are formed when minerals in a rock change temperature!
All photos are taken from clip art unless otherwise specified and cited. • Slide One: Crystal photo taken from http://api.ning.com/files/gXIEIxgLTn*qNNhCiECR-RF33JkR6FKyzh29v0OCOCSMlg5R9IVeA8Qvu*39wlfgmiSkJG0pTBQ9XVyC3g3Tf4wdjPhmWiar/crystals.jpg • Slide Four: Snowflake photo taken from http://photo.accuweather.com/photogallery/2011/3/500/068337a86.jpg • Slide Five: Lava photo taken from http://b.vimeocdn.com/ts/608/156/60815628_640.jpg Photo References