Week 3: Methods 2

                                                                  Elementary Science II

Week 3: September 9th- 13th


In lab this week we continued to work on our big question, how can we support play that is exciting but not

dangerous. To answer we had to look closely at one area of the playground. So our job was to test with different

factors. Our question of the day was whether a slide's steepness affects how fast a rider goes down the slide?

We started by testing different steepness and recorded how long it took them to get to the bottom. After 5 tests

and lots of great feedback, we were about to chat our information. The conclusion is that yes the steepness of the

slide can make a rider go down faster but there is a limit. After a certain point, this becomes untrue. 


In the lecture we discussed the concepts of speed and velocity, it was important to clarify the differences and

similarities between the two. When talking to my partner we talked about speed as the amount of fast you are

reading and velocity as how much you run. We were on the right track. Speed measures how fast an object is

moving and velocity measures the rate at which an object changes its position. We also learned about the force,

which represents a push pr pull acting on an object. The different types of forces we talked about were gravity,

friction, and applied force. 


The week's chapter was 9, The Force Lens on Motion. In the reading, we learned what force is and that if the

same amount of force is applied to both sides the object won’t move. An example that was used in the text is

pulling a rope. If both sides are pulling at the amount then the rope will not go one way or anything. Using the

simulations to see how the force moves when adding and subtracting was very helpful. The hardest part was the

friction and would like to work more on it. I have no questions yet. 



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