Bulb Mass (Weight on Earth)
Instructions: Weigh your bulb. (Use the equal arm balance and weights in grams.) On this graph, plot the mass (weight) of your bulb using the bar graph method. Collect the data for the other students and plot their bulb mass on the graph.
Bulb Mass
Observations and Predictions
1. My bulb's mass (weight) is _____________ grams.
2. In our class, there are ________ bulbs heavier than my bulb and ______
bulbs lighter.
3. I predict my bulb will EMERGE on (date) ______________________.
4. I predict my bulb will BLOOM on (date) ______________________.
5. Compared to other bulbs in my class, here is how I predict my bulb will grow.
(Give reasons for your predictions. How might the bulb's weight affect the
growth of my plant?)