Week 11: Science Stations


 
 This week in lab, we did a bunch of different stations to get us confused and thinking like a kid who is just learning about science. I thought this lab was a lot of fun and had us curious and thinking about matter and its behavior. I think all of these experiments I can use in my future classroom because they are simple but provides room for prediction and consideration. 


  • Cold soda 

    • Prediction: the pop is going to get wet again 

    • Nothing is happening. If it was warmer in here, I think maybe it would have gotten covered with more condensation (water droplets)  again. 

  • Plunger push 

    • Prediction: I think the plunger will stick to the table and not the cardboard. 

    • My prediction was correct. The plunger did not stick to the cardboard, but it stuck well to the table. It stuck to the cardboard for only a couple of seconds. Once we opened the cardboard up and tried to stick it to the white part, it stuck for a little longer but not as long as the table. 

  • Melting ice 

    • Prediction: I think it will melt faster on the wood because it feels warmer than the metal pot.

    • Our prediction was wrong. The ice melted faster in the pot by a significant rate. I wonder why that happened. Why did it melt so much faster? Would it still melt faster even if we heated the wood?                       

  • Coke float 

    • Small cans prediction: sink a little bit but rise back up quickly 

    • Big cans prediction: I think these will sink faster than the little cans 

    • The big Coke can sank and did not float to the top again. The Diet Coke can floated to the top. Both the small cans floated to the top and did not sink. The Coke can had high fructose corn syrup, and the Diet Coke did not have any. What if we tried it with plastic bottles? Would there be a difference? 

  • Baking soda and vinegar 

    • Prediction: it is going to fizz, and the bag is going to expand and fill with more air. 

    • It got really fizzy for a little bit and made sizzling sounds. The fiz was a white color. After it was done fizzing, it was still bubbly. It just smelled like vinegar. It expanded a little bit after the vinegar and baking soda were mixed. The vinegar also got colder after we mixed it with baking soda. If you shake the bag, it will begin to fizz and bubble up again. 

    • Why did the bag have to be closed? Would we get the same results if the bag was open?

  • M&Ms in water 

    • Prediction: once we place the M&Ms in the water, the color will spread into the water. 

    • Our prediction was correct. Once we added the M&Ms to the plate, the colors began to spread into the water. 

    • Do they taste the same after the color has come off? 




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