You may already be a member – click here to find out.
Vous êtes peut-être déjà membre – cliquez ici pour le savoir.
Teacher Demo: Greenhouse Effect

Teacher Demo: Greenhouse Effect

Introduction This demo demonstrates the greenhouse effect by comparing the air temperature of a room with the air temperature inside a clear plastic bag containing black construction paper. The bag models the Earth’s atmosphere and the black construction paper models...
(noscript)