Chemical Properties of Matter Crossword Puzzle

QUESTIONS LIST: composition : _ is the type of matter that makes up the object, combustion : is the ability to burn _ , iron : an element/mineral _ , reactivity : is the ability of two or more substances to combine and form one or more new substances _ , battery : a portable power source _ , lumber : fuel,heat _ , carbon dioxide : is the fumes coming out of something burning/decaying _ , rust : is the reactivity with oxygen to iron _ , toxicity : is chemical mixture of substances _ , flammability : is the ability to burn _ , water : _ is a element, oxygen : is an element that we breath _ , matter : anything that has mass/takes up space _ , acid : the toxic element of the battery _