What must a scientific method?

40 degrees Farhrenheit is how how many degrees Celsius? What happens to latex when it gets hot? Put the word enormous in a sentence? Which unit is used to messure the height of a bookcase? What is selectively perimeable? What if people could breathe underwater? What types of evidence do scientists use to place an organism on a phylogenic tree and what does that placemnt tell you? What is the scientific word for soak? When oxygen is liquefied is it a physical or chemical change? How does scientific method become valuable? What is the gravitational potential energy of a 2 kg book on a shelf 2 m high? What is granulation caused by? What do scientist use to study shifts in wavelengths of light? What is a shizit? What are IV needles? What are the disadvantages and advantages of using a thermocouple instead of a regular lab therometer? What is 36 Fahrenheit degrees in Celsius? What is a testable explanation of a situation? What is considered as a 'cool' color ( green orange gray or purple )? How long is a roll of toilet paper?