Activity 3: Laboratory Investigations of Soil--Student teams should perform these procedures with soil sampes obtained in the previous activity and complete the data table from Activity 3 Activity 4: Preserving the soil--students examine measures being taken in their community to preserve and enhance soil quality, and they implement a soil-enhancement project on the school grounds.
(Student teams; should perform; these procedures) (soil sampes; obtained; L:in the previous activity) (they; implement; a soil-enhancement project; L:on the school grounds) (students; examine; measures being taken in their community to preserve and enhance soil quality)
Student teams soil sampes they students
should perform obtained implement examine
these procedures
L:in the previous activity
a soil-enhancement project L:on the school grounds
measures being taken in their community to preserve and enhance soil quality