GIZMOS!

=Gizmos on Heat Transfer. (: =

Conduction and Convection- Figure 1
For this gizmo you explore conduction and convection, and which metals speed up or slow down the process. You can change the beginning temperature of each flask of water shown, and you can change the materials which may speed up or slow down the conduction/convection of heat. They can be connected with a hollow pipe, that lets heat flow through- as the water mixes. Or, you can use a solid chunk of a metal, and not allow the water to mix. For mine, I used a hollow copper pipe, and started the temperatures as the default- 20.0 degrees and 50.0 degrees.

Heat Transfer by Conduction- Figure 2
You also explore conduction in this gizmo. There are 2 beakers, one with hot water, one with cold. Over time, through the metal bar connecting the beakers, the temperatures even out. As you change the material in the condutcting bar you see how they heat up and cool down.

Heat Absorption- Figure 3
In this gizmo you shine a flashlight on many different materials ^ and you can see how fast each of them light up. You can also change the light colour, and see how the light angle, light colour, material colour, and material affect how fast it heats.

Energy Conversion in a System- Figure 4
In this gizmo you stir a beaker of water (on a pulley). You can change the weight and height of the stirrer, and the amount of water being stirred. You then can see the temperature of water changing as energy changes from one form to another. Therefore, you see how converting energy heats/ cools down water.