Very simply, rusting is the reaction of iron with oxygen – but water is an important part of the process too. Can you send me some information on how long I will have to run this experiment to show the results of the salt water corrosion. Answer: The corrosion of iron indicates a chemical change in the metal. Both liquid and metal remained the same color as they were at the start of the experiment. Make a mildly acidic solution by mixing 1/3 cup vinegar with a 1/3 cup water. Rusting of metals is a special case of metal oxidation. The jar to show rust first should be number '4' as it has salt added to the water. RUST:WATER VS SALT WATER Antonio Roddy 7th MRS.WILLARD I picked this topic because I have always wondered if salt water will rust metal faster than tap water. I notice the results posted say that the tap water will rust first but the salt will be more effective over long period of time. How to Do the Rust Oxidation Experiment: My kids gathered a bunch of different metal objects from around the house. We put them all into little paper cups of water. Rust is a very common chemical reaction which happens to iron and the metals containing iron. A thin film of oxide forms on the iron; this actually protects the metal from further corrosion by slowing the rate of oxidation. Rust is caused by a combination of water and air and is exalerated up by adding salt to the equation. We got nails, screws, paper clips, staples, bobby pins, brads, etc. Dampen a steel wool pad with approximately 2/3 cup regular water and put it in a first saucer. and let them sit for a week. The container to show rust first should be number '4' as it has salt added to the water. The steel nail remained the same black, corroded color and the environment ( vinegar) changed color a bit. Iron will oxidize to form rust. For example in mild steel (which is greater than 99% iron) the metal corrodes according to … BACKGROUND RESEARCH BACKGROUND RESEARCH BACKGROUND RESEARCH BACKGROUND RESEARCH HYPOTHESIS BACKGROUND RESEARCH In the corrosion process, metals get oxidized. I am doing science experiment on iron nail rusting faster in tap or salt water. Salt Water cannot be obtained from lakes or streams. Rust is caused by a combination of water and air and is sped up by adding salt to the equation. Dampen a steel wool pad with approximately 2/3 cup salt water and put it in a second saucer. The production of the blue colour around the nail in salty water is faster than the control due to the increased concentration of electrolyte, even though the solubility of oxygen is reduced by increased salt concentration. Steel Nail Significant changes in the level of corrosion. Containers '1' and '3' will begin to rust more slowly. rusting and salt water - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Rust (hydrous oxide) is an example of this change that results when iron is exposed to water or damp air. Question: Will an iron nail rust in salt water faster than in fresh water? The blue appears faster and deeper here than in the salty water or control experiments. So half of ours are in salt water. —Information accurate as of: build 904.83 Salt Water is a resource in Rust Experimental that is obtainable from the open ocean. This can lead to a discussion about rust protection and methods which can be used to keep air and water away from the iron such as paint, grease and plastic coating. Rust; Experimental Procedure Experiment #1. Salt can increase the rate of rusting. My kids wanted to try some with salt water, too. Also, a Bota Bag, Water Jug or any other water container can be filled with Salt Water from the sea. 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