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SpongeBob's Floral Experiment: The Effects of Booster Fertilizer on Flower Size

Join SpongeBob as he conducts a fun science experiment to help his friend Sandy grow big, colorful flowers! Discover how he tests new seeds coated with a special "booster" fertilizer against old seeds. By measuring flower diameters, SpongeBob learns about control and variable influences in experiments. This engaging activity helps students understand the scientific method, including identifying independent and dependent variables, and draws conclusions about the best seeds for achieving larger flowers. Perfect for young scientists and educators!

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SpongeBob's Floral Experiment: The Effects of Booster Fertilizer on Flower Size

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  1. Lab Time Science Experiments #2 T. Trimpe 2008 http://sciencespot.net/

  2. Read the information below and then answer the questions. SpongeBob loves to grow flowers for his pal Sandy, who loves big, colorful flowers. He found a new brand of seeds coated with a special “booster” fertilizer that said it would produce huge flowers. He planted 5 of the new seeds in one container and 5 of the old brand of seeds in another container. He placed both containers on a sunny windowsill and watered them every day. He measured the diameter of each flower, which is shown in the chart. • Which group was the control? 2. What is the independent variable? 3. What is the dependent variable? 4. What is the average diameter for each group? 5. Which seeds are the best for big flowers?

  3. Read the information below and then answer the questions. SpongeBob loves to grow flowers for his pal Sandy, who loves big, colorful flowers. He found a new brand of seeds coated with a special “booster” fertilizer that said it would produce huge flowers. He planted 5 of the new seeds in one container and 5 of the old brand of seeds in another container. He placed both containers on a sunny windowsill and watered them every day. He measured the diameter of each flower, which is shown in the chart. The seeds without the booster fertilizer • Which group was the control? Booster fertilizer on the new seeds 2. What is the independent variable? 3. What is the dependent variable? Size or diameter of the flower Old = 10 cm, New = 12 cm 4. What is the average diameter for each group? 5. Which seeds are the best for big flowers? New seeds w/ the booster

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