Curated OER
The Effects of Ultraviolet Light on Lumbriculus
Pupils explore the effects of ultraviolet light on Lumbriculus. They expose ultraviolet light to Lumbriculus (worm) and determine the lethal exposure time. They examine the worm and record their observations.
Pennsylvania Department of Education
Plant and Animal Adaptations
Fourth graders identify behavioral and structural adaptations to plant and animal life. In this unit overview, 4th graders discuss the importance of variation and adaptation in a species survival. This is a unit overview and does not...