Topics Related to Cause and effect: Mechanism and explanation

Phenomenon Description:  Sea turtles come to North Carolina beaches in the summer (May to August) to lay their eggs. Location:  Dare County, Outer BanksGrade Level or Course: Grade 4   
Phenomenon Description: A big swarm of 200 dragonflies (a mix of common green darners and wandering gliders) flying over a grassland at an environmental education center in Raleigh.Location:  Wake, Prairie Ridge Ecostation Grade Level or Course: Grade 5   
Phenomenon Description:  North Carolina often experiences minor earthquakes, but the state is not located near a tectonic plate boundary. Location:  North Carolina Grade Level or Course: Earth and Environmental Science 
Phenomenon Description: Blue ghost fireflies (Phausis reticulata) emit their unique nighttime glow Location: Pisgah National Forest, North CarolinaGrade Level or Course: Biology  
Phenomenon Description: Tilled vs Non-tilled SoilLocation: Rockingham County, Reidsville  Grade Level or Course: Earth and Environmental Science Other Related Questions:How does tilling affect erosion, runoff, and the health of nearby rivers and streams?Why do some farmers say that not tilling the soil actually makes it healthier over time?Why have farmers tilled their fields for centuries and what made some start questioning it?
Phenomenon Description: Kudzu growing along the roadLocation: Wake CountyGrade Level or Course: Biology
Phenomenon Description: The North Carolina mountains are home to several species of fireflies, most notably the synchronous and blue ghost fireflies, which put on stunning light shows in late spring and early summer.Location: Graham Grade Level or Course: Chemistry
Phenomenon Description: Unusual orange growth on an Eastern Red Cedar. Location: North Carolina Grade Level or Course: 8