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Results
These are the results of a sample experiment. Its OK if yours don't match perfectly but it should look like something similar to this.
The one above is a heavy steel marble while the one below is a lighter glass marble.
After following in Galileo's footsteps we have found that the marbles both accelerate at almost the same speed and they both had the around same velocity. Galileo had also come to the same conclusion years before in his laboratory and shocked the world with the new idea that all falling objects are falling at the same rate!
Write your Conclusion
After you have finished the experiment write a brief summary about the results that you received and make sure to list any possible errors that you may have made in this experiment.