Maine Math & Science Alliance
Earth as a System
Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...
Curated OER
The Earth, Sun, and Moon
In this solar system review worksheet, students use dictionaries to define the 10 listed terms pertaining to the Earth, sun, and moon.
University of California
Energy and Biomass Pyramids
Young scientists play tag as they act out the food pyramid in the ocean ecosystem. Energy circles pass from the smaller prey to the predators and at the end of the activity, a data chart and analysis questions allow pupils to apply their...