Reactivity Crossword Puzzle

QUESTIONS LIST: displace: the more reactive metal can displace the less reactive metal, redox: reduction and oxidation, oxidation: gain of oxygen/ loss of electron, oxidizing: agent that can oxidize something else, reducing: agent that can reduce something else, rust: oxidation of iron in the presence of oxygen and water, barrier: method to prevent iron rusting by painting, sacrificial: method to prevent iron rusting by attach a more reactive metal, galvanizing: iron that is coated with a layer of zinc, electrolysis: method used to extract aluminium, reduction: method used to extract metals less reactive than carbon, native: gold are found () in nature, alloy: a mixture of a metal with, usually, other metals or carbon