Since this activity requires very few supplies and takes a minute to set-up, kids will love to do it again and again. We can tell that water has become transparent by doing a simple experiment. (v) Sugar does not dissolve in water. Step-1: The first important step is to check whether your picked markers are suitable for this science activity. Nickel-4.8 grams. Take a dry erase marker and draw a floating man on the smooth surface. . Chalk dissolves in water. What makes this possible is the interesting chemistry of dry erase markers. Just curious, thought about erasers floating in water while I passed a big lake. The internet is full of Magic Eraser fails from users. The permanent marker drawing should have remained stuck to the plate. (f) Oil mixes with water. According to Mould, the ink in dry erase markers is also insoluble. Slowly pour water around the spiders. In this way, dry erase markers float in water. Since the water poured is denser than the ink, there happens the formation of strong buoyancy force. As a result, we pour water over the figures, and they float as beautiful hearts, or flowers. When did organ music become associated with baseball? False. 5. Background/ Research. Finally, you can see your stickman floating on top of the water. Water. Save my name, email, and website in this browser for the next time I comment. 1) Do you observe any specific color that makes the drawing float faster when compared to other colors? The ink can’t be dissolved in liquid and it’s less dense than water. (vii) Sand settles down in water. We all know that pencils are made of wood, and that wood floats in water. You should have observed that your dry erase marker drawing magically detached from the plate and rose to the water's surface. One of those fails includes dropping the eraser in the toilet bowl to clean it. You can use cold or warm water, it doesn't matter. Therefore, when it is written on the solid surfaces, the ink is turned in to a solid film. "Everyone knows my pool is green by this time of the year," Lisa posted on Facebook. Kids enjoy this floating pictures experiment while learning simple science behind dry-erasers. In the name of science, we bought and tried out a variety of different brands and sizes, and Expo brand worked the best by far. … The wood still floats! (b) A notebook has lustre while eraser does not. The ink in the dry erase markers is insoluble and has very little adhesive. (v) Sugar does not dissolve in water. Within seconds, you’ll see the dry erase ink reacting with the water, and the edges of your drawings will begin to lift. To use, simply cut a small piece of your Magic Eraser from the scrub pad and place it in the bowl overnight. 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(ii) A notebook has lustre while eraser does not (iii) Chalk dissolves in water. Do this fun science activity at home. https://www.chewy.com/mag-float-glass-floating-magnetic/dp/129394 The internet is full of Magic Eraser fails from users. iii) Chalk dissolves in water. Objective: To teach children how dry-erasers work and about density. Dry erase marker is made of oily silicone polymer substance which prevents the ink from sticking securely on the shine or the smooth surface of the plate. (iv) A piece of wood floats on water. This thread is archived. The eraser will sink and the candle will float. This film is insoluble and less dense in nature. This ink has another property, it is not soluble in water. iii) Chalk dissolves in water. vi) Oil mixes with water. The eraser is heavier than the amount of water it … : to teach kids about density displace enough water to the density of water around 20.... 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