Question

My grandson is in 4th grade. His teacher assigned the class to make a container that will keep an ice cube frozen for several hours while inside. Do you have any ideas?

Answer 1

Well im in fifth grade and have never had to do anything like that..., but might i suggest a metal container of some sort but sealed tight with styrofoam interior and exterior?

Answer 2

Anonymous has the right idea.

Insulation is the key. I'd try experimenting with a stryofoam box, packed with bubble wrap or sawdust or crumpled newspapers or ??