We got nails, screws, paper clips, staples, bobby pins, brads, etc. Rust is caused by a combination of water and air and is sped up by adding salt to the equation. Question: Will an iron nail rust in salt water faster than in fresh water? A thin film of oxide forms on the iron; this actually protects the metal from further corrosion by slowing the rate of oxidation. Both liquid and metal remained the same color as they were at the start of the experiment. 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. The water had changed due to the presence of rust. 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. Very simply, rusting is the reaction of iron with oxygen – but water is an important part of the process too. Steel Nail Significant changes in the level of corrosion. Containers '1' and '3' will begin to rust more slowly. Rust is a very common chemical reaction which happens to iron and the metals containing iron. Dampen a steel wool pad with approximately 2/3 cup salt water and put it in a second saucer. For example in mild steel (which is greater than 99% iron) the metal corrodes according to … 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. Salt can increase the rate of rusting. We put them all into little paper cups of water. Rust is caused by a combination of water and air and is exalerated up by adding salt to the equation. The blue appears faster and deeper here than in the salty water or control experiments. Rusting of metals is a special case of metal oxidation. Salt Water cannot be obtained from lakes or streams. Salt Water can be drunk directly from the sea by a player. Answer: The corrosion of iron indicates a chemical change in the metal. Also, a Bota Bag, Water Jug or any other water container can be filled with Salt Water from the sea. —Information accurate as of: build 904.83 Salt Water is a resource in Rust Experimental that is obtainable from the open ocean. Dampen a steel wool pad with approximately 2/3 cup regular water and put it in a first saucer. Environment: Salt Water. Make a mildly acidic solution by mixing 1/3 cup vinegar with a 1/3 cup water. So half of ours are in salt water. * Water will cause metals to rust; this reaction can be accelerated by adding salts. My kids wanted to try some with salt water, too. The container to show rust first should be number '4' as it has salt added to the water. BACKGROUND RESEARCH BACKGROUND RESEARCH BACKGROUND RESEARCH BACKGROUND RESEARCH HYPOTHESIS BACKGROUND RESEARCH and let them sit for a week. The steel nail remained the same black, corroded color and the environment ( vinegar) changed color a bit. Rust (hydrous oxide) is an example of this change that results when iron is exposed to water or damp air. 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. Iron will oxidize to form rust. 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. In the corrosion process, metals get oxidized. How to Do the Rust Oxidation Experiment: My kids gathered a bunch of different metal objects from around the house. Rust; Experimental Procedure Experiment #1. rusting and salt water - Free download as PDF File (.pdf), Text File (.txt) or read online for free. 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