Beyblades. All three of my boys are really into beyblades, even the 2 year old! In an effort to connect with my boys, I started making up beyblade science experiments. In one of the experiments, my kids and I measured the weights of the four types of beyblades. We learned the Stamina type of Beyblade was heavier than the other 3 types. From my kinematics class in college, I remembered that the greater mass an object had, the greater angular momentum it had when moving in a circle. Angular momentum is the resistance of a body in motion to stop rotating. Because the Stamina type beyblade weighed the most, we hypothesized it would stay in motion longer than the other 3 types of beyblades. We decided to test our hypothesis with a simple angular momentum experiment!
Angular Momentum Experiment with Beyblades!
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Supplies:
Procedure:
Step 1: Start with the Attack type beyblae. Launch the attack type beyblade using your beyblade launcher. Time how long it takes the beyblade to completely stop. Record the time in Table 1.
| Table 1: Time for Beyblade to Completely Stop | ||
| Type of Beyblade | Experiment # | Time it takes for Beyblade to Stop (seconds) |
| Attack | 1 | |
| 2 | ||
| 3 | ||
| 4 | ||
| average | ||
| Defense | 1 | |
| 2 | ||
| 3 | ||
| 4 | ||
| Average | ||
| Stamina | 1 | |
| 2 | ||
| 3 | ||
| 4 | ||
| Average | ||
| Balance | 1 | |
| 2 | ||
| 3 | ||
| 4 | ||
| Average | ||
Step 2: Repeat Step 1 three times.
Step 3: Take the average of the four runs, and record it in table 1.
How to take an average:
- Add all the data together.
- Divide the sum from Step 1 by the number of data points.
Step 4: Repeat Steps 1 through 3 for the Defense, Stamina, and Balance beyblades.
Data:
| Table 1: Time for Beyblade to Completely Stop | ||
| Type of Beyblade | Experiment # | Time it takes for Beyblade to Stop (seconds) |
| Attack | 1 | 56 |
| 2 | 52 | |
| 3 | 65 | |
| 4 | 46 | |
| average | 54.75 | |
| Defense | 1 | 87 |
| 2 | 88 | |
| 3 | 83 | |
| 4 | 83 | |
| Average | 85.25 | |
| Stamina | 1 | 94 |
| 2 | 91 | |
| 3 | 81 | |
| 4 | 89 | |
| Average | 88.75 | |
| Balance | 1 | 74 |
| 2 | 88 | |
| 3 | 82 | |
| 4 | 80 | |
| Average | 81 | |
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Results of our Angular Momentum Experiment:
Our hypothesis that the heaviest beyblade would have the greatest momentum was right! Our experiment showed the Stamina beyblade stayed in motion for 88.75 seconds on average. Our lightest beyblade was an Attack beyblade, which only stayed in motion for 54.75 seconds on average.
One result that was unexpected was that the Defense type beyblade kept rotating longer than the Balance type beyblade, even though the Balance type beyblade weighed more than the defense type. Our result made us realize there are more factors than weight that affect how long a beyblade stays in motion.
Now time for us to do some more exploring!
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