Nudibranch Module, Free Lessons & Activities for Teachers and Homeschooling

These lessons and activities have been created by teachers for teachers and people who want to learn about these wonderful little marine slugs while having fun. They include topics such as BiologyScience, Art, English, Climate Change, and Math. We’ve compiled virtual lessons, videos, and resources here to make it easy for you to bring nudibranchs into your classroom. Please explore!

1. Register Your Classroom or Home Schooling Practice

Bring these sea slugs into your classroom or at home!

To helps us create more free materials in the near future, please register and by doing so, you can get free buttons, stickers and bookmarks for each student/youth.  

2. April 1st to ongoing: Nudibranch Module and Activity Book for Teachers and Homeschooling

Ready to download with printable worksheets, and ideas for follow-up lessons to keep the learning going year-round!

The Pacific Beach Coalition’s 2023 Earth Honoree is the nudibranchs. These small creatures teach us about biology, climate change and so much more.
We’ve compiled a virtual lesson plan to bring the nudibranchs into your classroom. Register your classroom and receive free nudibranchs education module (PDF), buttons and bookmarks for each of your students (while supplies last).

Subjects covered in this module include:
• Biology
• Science
• Math
• Art
• English

3. Other Teacher Toolkit And Additional Activities to Download and Print

4. April 1st to April 30th: Earth Day of Action at Your School

We invite you to organize a litter cleanup at your school with your students. This is something that many teachers in our network have done and find very rewarding and educational. Here are some tips to have a successful cleanup:

  • Find out in advance where you can dispose of the trash you will find
  • Gather supplies, small buckets and gloves (2-5 students can share one bucket)
  • Have 2 bigger bags or buckets to collect the trash and the recycle separately, what is considered recyclable:
    – Clean glass
    – Clean cans
    – Clean plastic if numbered 1, 2, 3
    – Clean paper
  • Gather fun facts to mention them during the cleanup:
    – Aluminum cans can be recycled indefinitely
    – Plastic breaks down to very small pieces called microplastic
    – Glass is made of sand
  • Get a scale to weigh the amount of trash found (optional)
  • Log the trash found on the Clean Swell app using “Pacific Beach Coalition” as your group
  • Take pictures to share with the parents or with us! Send them at

You can follow up in the classroom with some activities such as:

  • Create a tracking table and count how many pieces of trash were found
  • Create an art project

Or schedule a virtual talk with one of our naturalist. If interested please register your classroom using the link above.

5. April 1st to April 30th: Your Day, Your Happy Place with Street to Beach Cleanups

Take advantage of Earth Month to volunteer and do your part and help the planet and the nudibranchs.

Litter Pick Up


  • Plant native plants such as the Silver Lupines which are essential to the survival of the Mission Blue butterfly (Earth Honoree 2022)
  • Remove invasive weeds
  • Plant native plants to your area, bigger patches will help attract pollinators
  • Find alternatives to pesticides such as neem oil
  • Compost your green waste and use it to build a healthy and biologically diverse soil
  • If you can, leave some sections of your yard wild (to not remove dead plants, brown leaves etc…) this helps insects and birds

Habitat Restoration

Tell us how you did! Send us pictures and a summary of your efforts via email info [at] We look forward to hearing from you!

Report your beach cleanups efforts with the Clean Swell app!

Locations in Need of Love

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