Curated OER
How Sweat Glands Cool Your Body
Students use water and rubbing alcohol to explain how sweat cools mammals' bodies. They write their findings in a journal. After a lecture/demo, students perform a simple experiment that demonstrates this phenomenae.
Curated OER
Investigation 7 - Rubbing Objects Together
Third graders investigate rubbing two objects together to produce heat.
Curated OER
Evaporation of Alcohol and Water
Students investigate the process that occurs when liquids evaporaate. They test water and alcohol to determine which substance evaporates more quickly and relate the rate to energy changes.
Curated OER
Introduction To Calculus
Students engage in a activity that is about an introduction to the course of calculus. They practice some of the basic concepts and solve some problems applying different principals of calculus. The teacher uses the sample problems...