What is exprementation?

How many ways science is helpful to humans? What is the student prediction based on events and facts presented on reading fair board? Where is an area on the ground you can easily fall? What elements make aluminium chloride? Was sir Isaac Newton born premature? What is aluminum named after? Why would you be cautious about scientific information you hear from advertisers? Does distance of an object affects the size of reflection in a mirror? What weighs about 11010-17 kilogram? What is a syonyum? What are two kinds of classifying? Rocks that are changed by heat and pressure will form? Who invented Googlr? Is an umbrella that covers your whole body invented? What does circut mean in science? What is a sentence for expansion? In what period do scientist believe horticulture begin? What is the life expectancy of Denmark? Does the mass of water decrease when salt is added? What does ectoplam do?