premise: if the particles are farther away from each other, then the vibrations of particles will spread slower sent2: sound travels through vibrations of particles sent3: if the particles are closer to each other, then the vibrations of particles will travel faster sent4: particles in gas are the farthest away from each other among gas, liquid, and solid state of matter sent5: particles in solid are closest to each other among gas, liquid, and solid state of matter.
hypothesis: burning magnesium with a lit candle will lead to a chemical change