SUBLIMATION!

Students in year 7 science had the opportunity to use dry ice - frozen carbon dioxide at 78.5 °C at the end of their “properties of substances” unit. They all enjoyed the rapid sublimation as it changed state from solid to gas, then some made up acrostic poems:

Do you know how cold it is?

Super

Really cold

Unbelievable

Yes, very cold

Bubbles

Incredibly cold

Like Ice

Cold as hell

Eeee! too cold

Magic

Awesome

Terrific

Incredible

Observing

Nature