Curated OER
Respiratory, Circulatory, and Urogenital Systems in the Rat
Here is a lesson which describes a lab activity in which a rat is dissected, and its heart is studied. The lesson has ample background information about three of the rats internal systems, and excellent lab sheets that support the...
Curated OER
Keeps on Pumping
Students measure and calculate heart rates per minute and for other units of time. They determine the amount of blood pumped by their heart during various intervals of time.
Curated OER
Geometry: Practical Applications of the Distance Formula
Students, working independently and in groups, apply the distance formula to practical situations. After solving various problems, students in pairs design coordinate planes from the school blue print to measure the distance from the...