How to Use "observable" with Example Sentences

1. His large attempt was to find common ground between the observable natural world and the worlds of myths and mysticism .
2. These behavior patterns are observable and quantifiable , and they repeat themselves with statistical reliability .
3. No longer are we constrained simply to infer mental functions from observable behavior .
4. There 's no observable connection between the two events .
5. Their observable universe also used to be the size of a grapefruit .