Learners examine the importance of good quality safety gear. In this investigative instructional activity, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets....

Students explore the process of decomposition. In this ecology and measurement activity, students prepare a worm home to be used for vermicomposting. Students weigh a group of worms and the added food, recording this information on a...

In this ecology worksheet learners complete a crossword puzzle that incorporates all of the ecological vocabulary in the word puzzle.

Learners define and discuss salinity, conduct classroom experiment to determine salinity of water sample by using hydrometer, record predictions, and demonstrate understanding of how salinity influences object's ability to float in water.