Pupils observe and determine what their lung capcity is. They fill a two-liter bottle completely with water and place the cap back on. Students fill a dishpan half full of water. They place the cap-end of the bottle into the water in the...

Double, double toil and trouble, fire burn and cauldron bubble! Find out what drives a turbine to generate electricity and whether or not it has an impact on the environment. A discussion and lecture is divided by a hands-on activity in...

Tenth graders discuss marine mammal diving reflex, and measure pulse rate while holding their breath under three conditions: control, warm water, and ice water to determine if humans exhibit marine mammal diving reflex.