Materials List:
Making "Magic" Sidewalks of Pervious Pavement
https://www.teachengineering.org/activities/view/usf_stormwater_lesson02_activity3
Each group needs:
- 12-inch round, clear plastic planter liner, such as this 12.15 x 12.15 x 3.37-inch example for $1.08 at Home Depot http://www.homedepot.com/p/Vigoro-12-in-Deep-Plant-Liner-DL12HBDI/204400737
- 1-gallon native plant species
- 12-inch biodegradable coir hanging basket or planter; use the same planter filled with the media mix combination from the Does Media Matter? Infiltration Rates and Storage Capacities activity
- (2) 4-5/8" brick trowel or equivalent
- large mixing tub
- (2) measuring cups, volumetric cylinders or gallon containers
- (optional) 4 ounces liquid cement color
- stopwatch or smartphone, for measuring time
- 2 pairs latex gloves
- access to water and sink/drain
- Magic Sidewalk Worksheet, one per student
To share with the entire class:
- 50-lb. bag ΒΌ-inch to 3/8-inch pea gravel, pond rocks, granite or limestone
- 50-lb. bag construction/playground sand
- 10-lb. bag Portland cement (do not use pre-mix cement)