The kids had a lot of fun and the sorting sheet helped keep the organized and on track. Check the coins, then come back again in another 30 minutes and see what has happened to the coins. And it even had added acetic acid! If you want things to be fun and messy, you can always have your kids use their hands as long as you are happy to deal with the consequences of ketchup-coated fingers! Put pennies in each solution to see which one does the best job of cleaning the pennies. One option is to incorporate the use of pH paper (which measures how basic or acidic something is when the paper is dipped into a substance) to help the child further understand why some of the solutions may work better than others. In this activity, were going to test a few different methods for cleaning pennies, and determine which gets our pennies the cleanest. Dry the pennies with a paper towel. Just don't drink the coke afterward. So we did a little experiment to see what would actually happen. Im going to use this for my science project at school but im going to do it for more then 10 minutes. This blue-green is called malachite and copper can turn into malachite over many years of exposure to chlorine and oxygen. This is a pretty safe experiment. Well keep that in mind. Did you do the 2nd stage of this cleaning coins experiment? Ketchup Soak your pennies in ketchup to clean them like new. Compare the 1 minute and 5 minute pennies in each row. In fact, new pennies are so pretty that its considered a compliment to say that something is as shiny as a new penny. Once all your liquids have been poured into their own cup, you can have your kids drop one old coin in each liquid and leave them submerged for 10 mins. Hi! Were there any cleaning methods where the time didnt matter, so the 1 minute and 5 minute pennies are equally clean? Let the pennies soak for a little bit. Antique Singer Sewing Machines That Changed the Game, Although they are often found at garage sales, flea markets, and estate sales with very low price tags, there are several models of antique Singer sewing machines that are highly sought after by co, 62+ Fun Family Night Ideas and Activities You'll Want to Give a Go, Family night ideas include fun games and activities any family can enjoy together at home or in their neighborhood. Here is a video of when we did the first stage of this experiment which we put up on our GallyKids Youtube Channel. At the end students write which solution, Lab Activity" is an engaging and interactive lab, designed for high school and college biology classes. Learn how your comment data is processed. Afterwards, put one old coin in each cup. The lab instructions are easy to follow and provide step-by-step guidance on how to conduct the, 5-IN-1 BUNDLE (Set 1 of 10) - Grades 4,5,6, What is in this '5-IN-1 BUNDLE'? What about soda? Repeat step 4 two more times. Kids are naturally curious, and as their parent or guardian, you will want to encourage that as they grow older.
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