The title of this section is "My, How I've Grown!" Does it even seem possible that a big apple tree with lots of apples starts out as a tiny seed? Where did all that mass come from? In this resource we'll start by comparing the mass of an apple to the mass of an apple seed to see the difference.
Use the materials and equipment below to answer the question "What is the difference in mass of one apple seed and one apple?" Use a pencil and paper or your science journal to work through the calculations.
Now that you have found the difference in mass between an apple seed and an apple, think about this question: "Where did the mass of the apple come from?" Click to play the video below for more clues.