|Bury Your Trash! Investigate what types of materials biodegrade in soil||Landfills||3-4, 5-6||Teach Engineering||2 1-hr. periods, 2 mos. apart||Per team: shovel, plot of earth for burying garbage|
|Water Filter I: Invent a filter to clean dirty water||Water systems||3-4, 5-6||ZOOM||45 min.||n/a|
|Water Filter II: Can you create clean drinking water?||Water systems||3-4, 5-6||ZOOM||45 min.||n/a|
|Down the Drain: Test a water filtration system and learn about wastewater management.||Water systems||5-6, 7-8||ASCE||45 min.||n/a|
|Landfill in a Box: Create a landfill system and investigate how it works over the course of a year.||Landfills||5-6, 7-8||ASCEville||several sessions, over course of a year||n/a|
*Indicates whether an activity is suitable for a community event. Activities considered appropriate for a large-scale community event are attention-grabbing but simple; use inexpensive materials; require minimal instruction, supervision, and cleanup; and can be modified to take place over a short period of time (about 15-20 minutes).