Recycling Metals Crossword Puzzle

QUESTIONS LIST:

• supply:the way we obtain resources/the amount of resources we have available
• reactivity:the scale on how reactive an element is
• unsustainable:a fuel that we don't have the resources to keep using
• waste:unused resources that are thrown away
• steel:an alloy created from iron and carbon
• pure:a metal with no other elements within
• fuel:a source of energy
• reducing:to minimize the amount of resources used/wasted
• exploitation:when a resource is taken advantage of
• electrolysis:the process of using electricity to split water into hydrogen and oxygen
• resource:something we can use that comes from the earth: natural _
• recycling:to create something new out of something old
• scrap:unused metal, eg. _ iron
• nature:the physical, natural world collectively
• displacement:when one element is replaced by another in a reaction
• renewable:a type of energy that is produced as fast as it is used
• rust:something created by metal being exposed to water and air
• reusing:to make use of previously used items
• impurities:parts of a metal that aren't pure
• finite:describes something that will eventually run out
• alloy:a mixture of metals