Curated OER
Universal Proportions: Earth and Moon
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
Curated OER
Sunshine and Shadows
Students measure their shadows early in the morning, record direction of shadow, make marks in ground with chalk or tape, measure with ruler, and record results. Students repeat process at noon, and then later in afternoon. Students...
Curated OER
Last Year on Pluto
Students examine the astronomical concept of a year. They relate the passage of time on planets to historical events in the USA.
Curated OER
Every Tree For Itself
Fourth graders play a game where they are trees gathering sun, water, and nutrients and CO2 represented by pieces of paper or poker chips. They record their collected requirements and graph how they grew as a forest.