A magnet is used to separate iron filings from sand. Sand is not attracted to the magnet but the iron filing are pulled out due to the magnetism. 2 of 2. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Charles D. Winters |
Bildgröße: | 3401 px × 5120 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |