You stretched this plastic pretty far before it finally broke. The long chains of molecules that make up plastic can be pulled in many directions without snapping. It was pretty hard for you to break this aluminum block. It wasn't easy to break this aluminum block. You had to push this brick very hard to make it crumble.
Bricks are very strong in compression.
That's because bricks are very weak in tension. You had to squeeze this concrete block really hard to make it break. That's because concrete is very strong in compression. Concrete Tension Message You pulled apart the small stones and cement in this concrete block easily. That's because concrete is weak in tension.