06 Ago FINE IRON FILINGS – MAGNETIC SAND 4 8 12 16 OZS – 5 LBS
IRON FILINGS ARE GREAT TO EXPERIMENT WITH MAGNETIC FIELDS. PLACE A MAGNET UNDER A PIECE OF PAPER AND SHAKE THE FILINGS ON TOP. THE FILINGS WILL REVEAL THE MAGNETIC FIELD LINES. (HINT: PLACE YOUR MAGNET IN A PLASTIC ZIP-LOCK BAG TO AVOID THE MESS OF...