Curated OER
Making Energy "trails"
Learners explore ten different stations that demonstrate either chemical, kinetic, or mechanical energy. They examine the way energy is transferred during each station's hands-on activity. Stations include vinegar and baking soda,...
Curated OER
Food Webs
Fourth graders discover how organisms depend upon each other in an ecosystem. In this ecosystems activity, 4th graders use food webs to discuss the interdependence between organisms in an ecosystem.