Why is it important not to horse play in science lab?

When science is applied to improve peoples lives it is called? How did you collect the data? What date was sulfur discovered? Is dangerous a common noun? What is the output force exerted by a movable pulley if the input force is 50N? Can you use goo gone to remove stain from your hands? How many feet and inches are there in 54 inches? Can you tell the names of 25 measuring instruments with its uses and its inventor? Four examples of solid conductor? What equipment is needed for stencilling? To what agency and within what time period must a change of address be reported for driver licensing purpose? Which particles has a negative charge? How many rotations does the earth make once the moon makes one complete orbit around the earth? What preys on a monkey? What problems would an ob study be least likely to focus on? What is north and south on compass? Where was molyendum discovered at? What determines friendship for the typical 5 year-old? Explain the concept of validity and reliability? What is an organic compound called called that is used to store energy and forms important parts of biological membranes?