| Activity | Topic | Grade Level |
Source | Time | Special Materials |
| 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).
