The students gathered to learn quickly how to collect their materials from the trailer and begin building their reef ball. Instructions were given quickly because he really wanted the students to problem solve.
Lining up to gather supplies.
Mixing sand and concrete mix.
Filling buckets with 50lbs. of rocks to add to cement mix.
Figuring out how to put the reef ball together using all of the tools.
Making cement.
This was hard work!
Putting air in the balls to fill the space. When we hatch the reef balls tomorrow, the balls will be removed.
Deciding who wants to shovel the cement into the reef ball...
Richard takes the lead!
Cleaning up (and getting dirty!)
Group picture.
