Discovering Science Labs Lab 3: The Missing Mass To demonstrate Conservation of Mass, follow this simple experiment. Step 1: Generate a hypothesis involving what will happen to your fruit over the course of the experiment. Step 2: Take a piece of fruit or vegetable and place it outside for 7 days (a backyard or even a windowsill will do) Step 3: Record the changes you see at a minimum of three (3) times each day (approximately 8 hour intervals). Take notes at each interval record the date/time physical description weight if you have a small scale take photos Step 4: Lab Report. Make certain you explain in detail what your findings were and what you think happened. Step 5: Explain how does this experiment relate to the Law of Conservation of Mass? Step 6: For Extra credit: How does this relate to the 1st and 2nd Laws of Thermodynamics?