Week 15
Today we learned what happens when you increase pressure in a syringe. We got to feel the pressure get tighter when you would keep your finger on the top and push the syringe in. It was harder to push when we had our fingers at the top of the syringe and pulled. We then got to put in a marshmallow and see how the pressure affected the marshmallow. When you pushed the air to make a smaller area with more pressure the marshmallow shrunk and if you opened the space up the marshmallow expanded.
Which parts did you find clear and which were confusing?
I found it clear as to why the marshmallow shrunk when we added pressure because the pressure pushed on the marshmallow and took the air out of it. I also found it clear as to why the marshmallow expanded. (The opposite reaction and reasoning as to why it shrunk). Something I found confusing is why the marshmallow came out sort of shrunk and wrinkled instead of how it was because everything we did to it we did the inverse too.
How can you apply what you've learned to your teaching in the future?
Something we learned/did today that I can apply in my future classroom is the guessing activity of what is in the canister. I like how you provide them with all the resources you just do not tell them. This way they get to figure out how to do the investigation and in the future, they will know to think outside the box and use their surroundings.
Hey Alyssa! I also thought the marshmallow activity was a great activity to show students to concept of pressure. I also want to incorporate this activity in my future classes.
ReplyDeleteHi Alyssa! I also liked the canister activity and want to use it with my students in the future! It is a great way to get them thinking of ways to determine what an object is or if two objects are the same without being able to see the object. Great post!
ReplyDeleteHi Alyssa, it is interesting that the marshmallow expanded as you opened up syringe, I wonder why that is?
ReplyDelete