Tone Sigurdsen

Tone Sigurdsen

Tone Sigurdsen
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6 Dry Ice Experiments To Do With Kids. Dry ice bombs, dry ice bubbles, dry ice smoke, and learning about dry ice. These are super fun!

6 Dry Ice Experiments To Do With Kids What is Dry Ice? It is sometimes referred to as "cardice" and is the solid form of carbon dioxide. At pressures below atm and temperatures below °F, changes from a solid to a gas with no intervening liquid.

Geologic Time |via Paleo Illustration #fossils tell a story

Geological Time, by Dylan Gibson: There’s a a way to remember all those names: Camels Often Sit Down Carefully Perhaps Their Joints Creak (Perhaps Effective Oiling Might Prolong Perfect Health)