Here's a nice lesson plan on the ocean floor. Includes reproducibles and student handouts.
Great station lab for learning about plate tectonics.
Middle School Science
Platetektonikk - Wikipedia
Arkiv--> Writing inspiration
This educational video about plate tectonics will help students to learn more about it through various pictures.
Here's a lesson plan on modeling the features of the ocean floor.
Ocean Currents - The Mailbox
5th Grade Science
Free Ocean Lapbook or Notebook Page: Features of the Ocean Floor
Oceans for Kids
Types of Ocean Floor, week 18 craft to go w/ memory work (worksheet found on CC connected - grismar is uploader)
CC - Cycle 1
Here's a lesson and materials on a marine food web.
Learn about the 5 layers of an ocean (also called ocean zones) with your child using this hands-on activity with materials already in your pantry!