What are some compound things around your house?

I am doing a science fair project on which fertilizer is better for plants chemical or natural but I can't find a good catchy title can someone please help me find a good title? What is the specific gravity of palm oil? What two habitats are known for the most extreme temperature? Are you supposed to throw away tissue in the toilet or trash can? What measuring unit is used to measure the distance from earth to moon? What is the ability to maintain physical exertion for long periods of time? Can rubber stand the cold? Topic - Make up at least ten (10) open-ended questions and ask them of a minimum of 5 adolescents. The questions could concern school sex food use of time occupation plans for the future etc. Record t? What is the most important action for all students to take to stay safe in a science lab? How would a scientist use a Dichotomous key to identify an unfamiliar organism? Why do boats float better in salt water rather than fresh water? Is ok to take a pregnancy test 6 hours apart from each other? When David goes to graduate school he wants to investigate aspects of the heredity-environment debate as it relates to human intelligence He is most likely to? What are four types of variables that are commonly used? What is to decay or decompose? How can you get youself wet? How many kilograms of gold in one meter cube? What information lead scientists that shallow seas covered much of the earth during the paleozoic era? What are some examples of heat energy transformation? Does the US like the UK?