Curated OER
Apple: Bare to Pick
Students investigate the seasons of the apple tree. In tree seasons instructional activity, students use a sun model and a globe to study the tilt of the Earth to create the seasons. Students discuss the tilt and the seasons. Students...
Curated OER
Aztec Floating Gardens
Aztecs created amazing hydroponic gardens called Chinampas, to grow their crops. Learners in grades k-7 engage in four mini-experiments to understand just how amazing floating gardens are. Tip: A perfect way to bring science into your...