Curated OER
Investigating the Effect of Salinity on the Density and Stability of Water
Water with varying amounts of dissolved salt are dyed and then used to compare densities. The objective is to discover the effect of salinity, and therefore density, on ocean water on the stability of the ocean. Many branches of science...
Center Science Education
Paleoclimates and Pollen
Demonstrate for your earth scientists how plant pollen of the past has become part of sedimentary deposits, providing clues about ancient climates. Then give them simulated sediment layer samples to analyze for different types of paper...
Curated OER
Surviving the Conditions
Young scholars explore Earth science by participating in an environmental care activity. In this natural resources lesson, students discuss ways to protect themselves from the environment if they are ever in need of shelter in the...
Rainforest Alliance
Trees and Carbon
You'll find everything but the kitchen sink here ... or just a carbon sink. In the activity, pairs or groups of middle school learners go outside and measure a tree's circumference and height to estimate its carbon storage potential and...
Curated OER
THE INCREDIBLE JOURNEY
Students describe the movement of water within the water cycle and identify the states of water as it moves through the water cycle.