cquackenbush13's channel

This demonstrates how a convection current works. Red dye is placed in the bottom of a beaker with a pipette and a candle is placed under the dye ...

This video shows step-by-step procedures to construct a topographic map profile from a simple topographic map.

This demonstrates that a contour line is a line where all points on the line are of equal elevation. This uses blue water to fill a plastic volcan...