Science at Bangor & in the News
After some technical difficulties last week, we were able to do our experiment in chemistry on Monday. We chilled water to 0 degrees Celsius, then heated it up to boiling, and recorded the temperature over the course of the experiment. Nearly every group hit a point in the experiment where no matter how long the water sat on the hot plate, the temperature would not increase. We learned that there are a couple of reasons the temperature stopped increasing: 1. We would have needed a special chamber to measure the temperature of the steam coming off of the water. 2. The energy that the hot plate was providing wasn't going into the thermal account anymore (used to increase temperature), it was going into the phase account instead (used to increase the space between particles). We also talked about how the meaning of heat scientists use (heat = energy) often gets confused with how we use heat outside of the classroom (heat = warm temperature), so from now on we will not be using the word heat so we can be clear when we are talking about our observations. In Science 9, we started talking about mass, the amount of stuff in an object, and particles. Each group of students took a pair of objects that were the same size, but one of the objects was lighter than the other. We decided that the heavier object had more stuff, and probably had a higher number of particles, than the lighter object. We will continue to explore more about mass and particles this unit. Our first experiment examining what happens to mass when we change things will be on Tuesday.
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Ms. Lyons
Science is amazing, check it out! Archives
May 2016
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