Materials Required: Lentils (to represent blood) Water Yellow food coloring Clothes rack Two empty water bottles (with ends cut off) Colander Yogurt container Funnel Plastic bag Straw Tape Steps Involved: Mix lentils with water and yellow food coloring to represent...
Materials Required: Two empty water bottles Clay Tubing (12-16 inches, 2 pieces) Coffee filters (6-7 per bottle) Cotton balls Large piece of cardboard Packing tape Food coloring Beaker or plastic container Steps Involved: Cut the bottoms off the empty water bottles...
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