That means the ink used here is strongly adhesive in nature so it will not come off easily from the surface. If a rubber eraser and a wax candle are the same size and shape, the eraser will weigh more. It is always fun having discussions on the magical ingredients that make the experiment work at its best. In the morning you will find that most of the toilet bowl stains will be removed.9 Apr 2019 Micro-organisms cannot live in water. Pumice tends to be so light that it floats on water until its vesicles fill and it eventually sinks. One of those fails includes dropping the eraser in the toilet bowl to clean it. Finally, you can see your stickman floating on top of the water. You should have observed that your dry erase marker drawing magically detached from the plate and rose to the water's surface. . Let the spiders lift off the foil. As you add more water, the ink will lift away from the bottom of the dish and float to the surface of the water. 0 0 1. That’s it! I don't know if they sink or float, maybe someone else has tried this little experiment? A pair of slanting lines at the joining point of vertical line to the circle and the other pair at the end of the vertical line. What do you think how the writings of markers on the white board are able to erased easily? A ship's density is determined by both the material used to build it, such as wood or steel, and the open spaces within the ship. Add a little science to your kids morning breakfast before the egg becomes a delicious scrambled or omelette. Duration to conduct this Activity: 5 minutes to 10 minutes. We all know that pencils are made of wood, and that wood floats in water. You need to gather a smooth surface, water, and a dry erase marker to get a stickman to move in water. And this solid film has the magical power of not dissolving in water plus does not wish to secure itself by sticking strongly to the surface. The rubber duckie floats because the weight of the water it pushes away is equal to the upthrust. Watch how to use dry erase markers to make writing that floats. So, when you draw on a smooth surfaced ceramic plate, the ink stays insoluble with lesser density. (f) Oil mixes with water. "However, Whitney [her daughter] spotted this idea on Facebook and I figured why not try it." Learn to make and play with perfect Non Newtonian Fluid - The Oobleck. The ink in the dry erase markers is insoluble and has very little adhesive. The topic of this essay or project is water buoyancy. (b) A notebook has lustre while eraser does not. See the pictures attached to get an idea on how to draw pictures on ceramic plate. In the morning you will find that most of the toilet bowl stains will be removed.9 Apr […] (vi) Oil mixes with water. Since this activity requires very few supplies and takes a minute to set-up, kids will love to do it again and again. Add toilet bowl rings to that list. The dry erase markers ink can easily tint the leaky porous surfaces. Lay out your aluminum foil, fold at the edges to keep water in; Using a NEW dry erase marker, draw on your spiders; Slowly pour water around the spiders; Let the spiders lift off the foil; Blow into your straws at the spiders to help them float down the foil (vi) Oil mixes with water. Chalk dissolves in water. True. 1. (iii) Chalk dissolves in water. (i) False (ii) False (iii) False (iv) True (v) False (vi) False (vii) True (viii) True. Do not saturate the microfiber with water or other solvents. the marker writings are easily erased without the witnessing any tiny mark. Marker ink is less dense than water, and so it keeps floating. In this way, dry erase markers float in water. Why does dry erase marker float in water? (vi) Oil mixes with water. (ii) A notebook has lustre while eraser does not (iii) Chalk dissolves in water. The wood still floats! The wood still floats! (iv) A piece of wood floats on water. 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