Mind the Gap: Observing Nature's Cracks and Crevices

Survey your local habitat for cracks and crevices. You
may be surprised at how many different kinds you find.
Take a moment to explore these ever-changing phenomena
and use the list of questions below to begin
investigating.

Questions:

What makes cracks?

What takes advantage of cracks?

What gets trapped in cracks?

What uses cracks for underground access?

Does a particular crack get longer or wider over time?

What do you think causes a crack to change direction?

Does one side of a crack in the sidewalk go up while the other side goes down?

What happens to cracks underground?

Do worms make cracks in the soil when they make their burrows?