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Van black ink
Van black ink












van black ink

Fill out the data table in the downloadable PDF with what you observed for each brand of marker.Repeat with the other pens on the other coffee filters.What happens to the black dot and its color? Observe what happens when the first drop of water hits the black dot, and when you add more drops.Drop water onto the center of your black dot.Lay the coffee filter over the top of the jar.With a pencil, label the filter paper with the brand of the marker you are using. Choose one of the marking pens and color a solid circle in the center, about ½ inch (about 1 cm) across. Lay a flat coffee filter on top of a piece of paper on a flat surface.When you are ready to release the liquid, remove your finger from the top of the straw. When you remove the straw from the liquid, the liquid will remain inside the straw. Place a finger over the top of the straw to make a seal. 3 different brands of black markers (include both “water-soluble” and “permanent” markers).














Van black ink