Did you have any problems with the “For You To Do” section?
I am half way finishing activity one and expected to finish it in next class Pd.Most of my students got terrible result so we had to spend lot of time discussing results.
Here are some things we noted.
Bottom of salad bowl is too flat as a result low start readings do not give expected result. Smaller steel ball of one c.m gave better result compared to the one provided in the kit. It’s hard to get 9 readings using 2-3 c.m balls in 32c.m distance (semi circumference). Some of my students faced difficulty in measuring distances using flexible ruler so we use paper tape.