What juice cleans pennies best science project

what juice cleans pennies best science project

What Types of Juice Can Be Used to Clean Pennies?

The best juice for cleaning pennies isn't really a juice at all. Pickle juice is actually a vinegar. The reason pickle juice cleans a penny so well is it contains acetic acid, which breaks down copper oxide. The clear second place is lemon juice. A Science Project on What Kind of Juice Cleans Pennies Best Get creative with juice and pennies to find out what happens when they are combined with one another. Pennies naturally tarnish, not rust, over time and the acid in juice can help to clean the tarnish off.

Get creative with juice and pennies what are lens hoods for find out what happens when they are combined with one another. Pennies naturally tarnish, not rust, over time and the acid in juice can help to clean the tarnish off.

Have children put on their thinking what juice cleans pennies best science project to help discover what type of juices are most acidic and what ones clean pennies the best. Work on a what city was jesus crucified outside of, flat surface.

Set up five tall clear cups to observe the different juices and the effect on the pennies. Place paper towels, napkins or cloths down under the cups to catch any excess juice when taking pennies out. Give each child or group five pennies to use. The pennies should be tarnished or discolored. Each child or group should have a sheet to record their observations on. The five different cups will be labeled with the juice that is inside, only one type of juice per cup. Use grape juice, apple juice, pickle juice, grapefruit juice and lemon juice.

Pennies become cleaner in more acidic juice such as grapefruit juice, pickle juice and lemon juice. Less acidic juice, such as grape and apple, may what juice cleans pennies best science project little or no effect on the pennies.

Use a pH strip to test the levels of acid in the juices before the children drop the pennies. Record the answer and then let them drop one penny in each cup.

Once the children have dropped their pennies and recorded their answers, let them experiment with salt and vinegar. Adding salt to different juices may speed the reaction. Pour vinegar into a cup and let the children watch another tarnished penny react.

Once observations are recorded, add salt to the vinegar and record the answer. Every child or group will have a different answer for their observations about the pennies. There is no right or wrong answer because no two pennies are tarnished the exact same. What may work for one penny may not work for another. Have the children compare their pH findings to find what works best for pennies.

Tabitha Harwell has been writing sincewith articles appearing in local publications and various websites. Her background includes a career in the fashion and beauty industry. Harwell holds a Bachelor of Arts in public relations. Copyright Leaf Group Ltd.

How to Clean Pennies:

Feb 21,  · Coke contains phosphoric acid that cleans the oxides. 4. Citrus Juice Try a variety of citrus juices to see which works best or simply let your pennies soak in lemon juice. Citric acid works similarly to the other acids. 5. Pencil Eraser Use a common pencil eraser on your pennies to remove the oxides like mistakes on paper. What juice cleans a penny best science project? Pennies become cleaner in more acidic juice such as grapefruit juice, pickle juice and lemon juice. Less acidic juice, such as grape and apple, may have little or no effect on the pennies. Use a pH strip to test the levels of acid in the juices before the children drop the pennies. Guess which liquid will make a penny shine. Set one penny aside. Put each of the other two pennies into its own paper cup. In one cup, pour enough vinegar to cover the penny. In the other cup, pour enough liquid soap to cover the penny. Wait at least ten minutes. Remove the pennies, rinse them in water, and rub them with a paper towel.

Click to see full answer Similarly one may ask, what cleans a penny the best science project? Science Projects on Cleaning a Penny Ketchup. Soak your pennies in ketchup to clean them like new. Hot Sauce. Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies. Coke and off-brand colas will quickly remove the tarnish. Citrus Juice. Pencil Eraser.

Vinegar and Salt. Likewise, how do you clean old pennies without damaging them? Place the coins in a solution of dish soap and water. If you have a particularly dirty coin, you can allow it to soak in the solution. A non-abrasive liquid solvent like distilled water and a weak soap will have enough cleaning power to clean your coins, and does not contain acids that can corrode them. Start by adding a quarter cup of white vinegar, or lemon juice, into a cup or glass. Mix a teaspoon of salt into the liquid by stirring until it is dissolved.

Place your pennies in the bottom of the cup or glass so that they are not stacked on top of each other. Wait about five minutes and check your pennies. Pennies become cleaner in more acidic juice such as grapefruit juice, pickle juice and lemon juice. Less acidic juice, such as grape and apple, may have little or no effect on the pennies. Use a pH strip to test the levels of acid in the juices before the children drop the pennies.

You can "clean" a penny a little bit and very slowly with lemon juice or vinegar mild acids , but put a dash of salt in the lemon juice and the penny will turn orange with a quick rub. People say that ketchup and taco sauce are good cleaners for pennies, but read the ingredients: "Tomatoes, Vinegar , Salt.

There is a common trick to clean pennies where you use pennies , vinegar acid and salt. Now, we recently had a discussion on this board about the pH of water , and it can be somewhat acidic. So, it is possible that your water was slightly acidic and so this reaction happened over a long time. The two elements combine to form dark chemicals called copper oxides.

The acetic acid in vinegar dissolves these chemicals and leaves the copper surface of the penny looking shiny. Soap can clean lots of things, but it can't dissolve copper oxides. Just don't drink the coke afterward. Coke contains phosphoric acid that cleans the oxides. Try a variety of citrus juices to see which works best or simply let your pennies soak in lemon juice. The use of vinegar and salt to clean pennies goes way back. It works on the same principle as using ketchup Ketchup contains vinegar, salt and tomatoes , but there is less rubbing involved.

Mix up a concoction of vinegar and salt. Stir it around to dissolve the salt and then dump in your dirty pennies. Because zinc tends to corrode more quickly than copper, newer pennies tend to form darker green or black layers as they corrode. It occurs when the copper-hydroxide-carbonate on the penny's surface reacts further with oxygen and moisture in the air to form copper sulfides.

If you stil think you want to clean your ancient coin then, Soak in soapy distilled water but never use lemon juice or vinegar on Bronze coinage. Baking Soda can help clean the coins when they are soaked in soapy water.

Try an acid product but only if you are sure of the coin type. Stir the mixture to dissolve the salt. If you don't have vinegar, use lemon or even orange juice.

Copper oxide the gunk on your pennies dissolves in weak acid, and that's just what all three of these liquids are. Smear a small amount of toothpaste onto a dirty penny. While still scrubbing with the toothbrush, rinse the penny with room temperature water. Create a paste with two parts baking soda to one part water. Use a microfiber cloth to rub the paste over the pennies. This will bring the shine back to the penny. Rinse the pennies thoroughly and dry them with a soft towel. When you add vinegar and salt to pennies , it dissolves the top copper-oxide layer of the penny.

This causes the copper atoms to mix with oxygen in the air and chlorine in the salt. This creates a blue- green substance known as malachite. It's chemistry in action! To remove the oxidation from copper pennies , pour about a quarter cup of white vinegar in a glass or plastic bowl and mix in about a teaspoon of salt. Stir it up till the salt is dissolved, and then toss in your pennies.

How to Clean Old Coins and Dirty Coins Soak dirtier coins in a cup of white vinegar — The acid in vinegar is great at dissolving stubborn stains or corrosion. Rinse under hot running water — After soaking, make sure to rinse off any soap residue or vinegar with hot or warm running water.

Acid speeds up the oxidation process taking place on copper. If you submerge a penny in even a relatively mild household acid, such as vinegar, it will start to tarnish. Some people recommend the use of vinegar combined with other ingredients, such as salt, to clean pennies.

Avoid rubbing the coin as it's being rinsed because this can scratch it. Soak the coin in a small bowl of Coke for approximately 5 minutes. Rinse the coin again under cold running water. If it's clean , proceed to the drying step, No. A dirty coin doesn't necessarily mean just viruses and bacteria, most of the visible dirtiness you use is caused by dirt or oxidation. When coins are used by people, no matter how well you wash them, they will leave lipids oils, dirt, and amino acids from your skin that tarnish the metal.

Given these risks, you should absolutely not clean old coins. Does vinegar clean pennies science project?

Category: hobbies and interests stamps and coins. It turns out that vinegar is an acid, and the acid in the vinegar reacts with the salt to remove what chemists call copper oxide which was making your pennies dull. You're not done yet, though, lets try another experiment : Add more pennies to the bowl for 10 seconds, but this time , don't rinse them off.

What liquid can clean a penny? Can water clean a penny? Why does dish soap clean pennies? Can Coke clean a penny? How do you clean old pennies? Why do pennies turn black? How do professionals clean coins? If you stil think you want to clean your ancient coin then,. Soak in soapy distilled water but never use lemon juice or vinegar on Bronze coinage.

How do you make pennies look new? Can toothpaste clean a penny? Does baking soda clean pennies? Why do pennies turn green in vinegar? How do you clean an oxidized penny? How do you clean dirty coins? Soak dirtier coins in a cup of white vinegar — The acid in vinegar is great at dissolving stubborn stains or corrosion. How do you tarnish a penny? How do you clean coins with Coke?

How dirty are coins? Should I clean old coins? Similar Asks. What is the difference between a deep cleaning and a regular cleaning? Popular Asks.

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