fit two plastic lids on each of 4 Styrofoam cups. set the clear plastic cups plastic box onto the four styrofoam cups as shown in figure 2. carefully fill the box with cold tap water to within 3-4 cm from the top let water calm before proceeding. Using the pipette, carefully place 3 spots of red food coloring on the bottom of the box as shown in figure 2. Insert the pipette all the way down to the bottom of the box before squeezing out the dye. Each spot should be about 2-4 cm diameter. Try to Minimize disturbing the water as you insert and remove the pipette. Fill one empty Styrofoam cup with hot water and then carefully position it beneath the center. The plastic lid spacers you fitted on the corner cups should provide you with enough clearance to gently slide the cup with to water under spot. Now postion yourself so that you can view the box from the side at eye level, and observe what happens to the 3 spots over the next 5 minutes. Be sure to look for changes in all 3 spots. Write your observations below.