As cars zoom past a photogate attached to a laptop computer, the computer calculates the time that each car travels between specified points.
Students can then calculate the speed of the car.
Students add more solar cell batteries to the car wired in a series circuit, and measure speed. Mary Lightbody Solar Race Cars Elizabeth F. O'Keefe Exploring the Beach Jill S. Paraska Click on this icon to download free Adobe Acrobat Reader software. You will need this program to access materials in PDF format.