Curated OER
Food Preservation
Students examine the variety of food preservation methods available today. In groups, they participate in an experiment to determine the conditions that encourage or stop the growth of bacteria. To end the lessons, they discuss the...
Curated OER
Our Food and Microorganisms
Learners answer questions about how microorganisms can affect our food supply and how they can be controlled. The first set of inquiry activities are directed by the teacher. Subsequent activities are based on students generating their...
Curated OER
Insects Preserved in Amber
Students examine and discuss amber and fossils in amber. They simulate the preservation of an insect in amber using glue, a dead insect, and food coloring, listen to a poem about amber, and view real amber under a magnifying glass or...
Cornell University
The Science of Snowflakes
Who can grow the best crystals? Challenge class members to develop strategies for enhancing growth in the crystals. Through a lab investigation, learners study the properties of crystals and test the effectiveness of different growth...