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Showing 4 results for periwinkles ...
Acadia National Park
I Notice, I Wonder: Periwinkles
Wind Cave National Park
Parts Per Million
- Type: Student Activities
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
A short demonstration to illustrate how scientists measure pollution and why small amounts have large impacts.
Abraham Lincoln Birthplace National Historical Park
Happy Trails: A Nature Exploration Activity
Everglades National Park
“Population Explosion” Don't Let It Loose: 5-8th Grade
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade

Students will be able to recognize melaleuca and tell how the seeds are dispersed. They will describe that melaleuca produces over 1 million seeds per year and have a concept of how much that really is. Students will determine the population of melaleuca seeds for their wetland ecosystem through sampling.