Relier Pairs Properties of materialsVersion en ligne Relate: par Ángela L 1 _________ materials are easy to scratch, like wood. 2 _________ materials are difficult to break, like metals. 3 ________ materials can also be deformed, but they don't recover its shape when released, remaining permanently deformed, like plasticine. 4 ___________ materials can be deformed, but they recover its original form when released, like a rubber band. 5 __________ materials are easy to break, like glass. 6 ____________materials are difficult to scratch, like glass. BRITTLENESS TOUGHNESS PLASTIC HARDNESS SOFTNESS