Ecosystems
Provides step-by-step instructions for nine science fair projects about ecosystems; offers advice on displays and added features; and includes a section on the competition.
Heinemann Library
2008
9781403479150
book
Holdings
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2220923 | 5774895 | 2240 | 165310 | 249230 | SPCMS | 422 | SPCJ054328 | 577 ROM | 577 | 1582575937 | 1709307855 |