Matching Pairs WHMISOnline version Students will activate their prior knowledge and determine what they already know about 'the WHMIS Safety Symbol' by playing the 'WHMIS Matching Card'. by JoJo Elias 1 Skull and Crossbones 2 Gas Cylinder 3 Biohazardous and Infectious Material 4 Flame over Circle 5 Health Hazard 6 Exploding Bomb 7 Flame 8 WHMIS 9 Exclamation Mark 10 Corrosion Workplace Hazardous Material Information System