Students study exponential decay and its application to radiocarbon dating. In this exponential decay lesson, students use candy to model the time it takes for something to decay. Students also graph the data they collect and...

Students capture the serve motion of a tennis player with a digital or video camera. Using transparencies or a software package, analyze the speed, acceleration, displacement and time of the racquet head and ball in the tennis stroke.

Students determine if human practices have any noticeable effects on the quality of stream life as measured by the presence of certain macroinvertebrates. They collect, preserve and identify macroinvertibrate samples and quantify the data.