The second day was a lot like the first day we did various labs and a couple of problems on the subjects covered.

We started the day out by getting into groups and doing an experiment that involved a mini-generator and a nichrome wire. Basically the point of the experiment was to crank the generator which was connected to the wire to create heat, proving that mechanical energy can be transfered to thermal energy.

For the second experiment of the day we used a heat pulser (which is apparently used to make tea), a cup of water, temp. sensor, and plotting software. For this experiment we heated up the water in the cup using the pulser and as we did this plotted the temperature change on logger pro. The results were that the temperature versus energy graphs were linear which showed that energy and temperature are directly proportional.

After we finished up with that experiment we got into the bulk of the class which had to do with heat energy transfer and specific heat. We learned a few equations relating to the labs we did earlier such as:

Q=CMT

where
Q is change in energy
C is specific heat
M is mass
T is change in temp.

which is used to tell the amount of energy needed to change the temperature of a particular substance by a certain amount.

Another equation we learned was the equation for heat currents which is:
H=A(T)/R
where
H is heat current
A is surface area
T is change in temp.
R is the length divided by a constant specific to the material

and if two objects are touching H IS THE SAME FOR BOTH!!!