Essay Database

In part one of my project you learned about how salt affects the freezing point of water. In my science project I wanted to see if salt affected the freezing point of water. I started by doing some experiments. My first experiment was whether tap water or salt water would freeze first. I first started by mixing up the salt water warming it for one minute and warming the tap for one minute also. My …

…a combined form with sulfur. When smelting or roasting refines these ores, the sulfur in the metal combines with oxygen to form sulfur dioxide. The biggest source of sulfur dioxide is from burning fossil fuels in industry and in homes. Coal contains .5 percent to 5 percent sulfur. Sulfur dioxide released into the air often combines with oxygen to form sulfur trioxide. Acid rain can be very harmful to stone statues and buildings, forests and aquatic life.