Or 3D shapes just yet. Narrator ... as long as they’re equal and there are 4 right angles of 90 degrees – it’s a square! It’s always a square! Narrator: But what if I squeeze this square?

Also read: More winter storms likely in Maine this week Thin plates form when temperatures fall between 25 and 32 degrees. Needles form between 21 and 25 degrees. Dendrites form at temperatures ...