Intro Physics reviewed their homework for work and power and received another practice problem set for those topics. Some folks seem to have a little difficulty deciperhing word problems, so practice makes perfect! Tomorrow, we begin looking at the classic six simple machines.
Honors Physics engaged in two lab investigations during long block. The first was on the melting/freezing of water and the other targeted the heat of fusion of water. From chemistry, you probably remember that temperature change is related to a change in the average kinetic energy of the particles in a substance and phase change references a change in the potential energy of the system. The heat of fusion indicates how much that potential energy has to change per unit mass or mole for the phase change to occur and that value is the same whether we are adding energy or removing it from a substance. We'll start on heat energy in class tomorrow and the labs aren't due until Thursday, so make sure to bring any questions with you for your write up.
