barrel.png source=PhET
blue-bucket.png source=PhET
boy-sitting.png source=PhET
boy-standing.png source=PhET
cinder-block.png source=PhET
fire-extinguisher.png source=Open Clip Art notes=Modified by jblanco
fire-hydrant.png source=PhET
flower-pot.png source=PhET
girl-sitting.png source=PhET
girl-standing.png source=PhET
man-sitting.png source=PhET
man-standing.png source=PhET
metal-bucket.png source=PhET
mystery-object-01.png source=PhET
mystery-object-02.png source=PhET
mystery-object-03.png source=PhET
mystery-object-04.png source=PhET
mystery-object-05.png source=PhET
mystery-object-06.png source=PhET
mystery-object-07.png source=PhET
mystery-object-08.png source=PhET
old-television.png source=Open Clip Art notes=Modified by jblanco
potted-plant.png source=PhET
rock_1.png source=PhET notes=Reused from Radioactive Dating Game sim
rock_4.png source=PhET notes=Reused from Radioactive Dating Game sim
rock_6.png source=PhET notes=Reused from Radioactive Dating Game sim
soda-bottle.png source=PhET
tiny-rock.png source=PhET
tire.png source=PhET
trash-can.png source=PhET
woman-sitting.png source=PhET
woman-standing.png source=PhET
yellow-bucket.png source=PhET