minutes, add an additional piece of ice. If all of the ice melts, add one more piece of ice sothat ice is present in the cup for Step 9. Place the lid on the Styrofoam™ cup and place thethermometer in the lid. Continue to swirl the Styrofoam™ cup for approximately two minutes, or until the temperature reading on the thermometer stabilizes. Record the lowest temperature of the mixture of ice and water in Table 4. Use the plastic fork to quickly remove any unmelted ice from the cup. Carefully pour the cold water from the cup into thegraduated cylinder and record the final volume to the nearest mL.