GRADE 8 SCIENCE · CHAPTER 4

Earth, weather & space

Study each lesson in order, or choose the idea you need today.

  1. Choose a book
  2. Choose a chapter
  3. Study a lesson
← All chapters in this book
  1. Earth systems

    Relate plate motion to boundary processes

    Use the relative motion of tectonic plates to distinguish divergent, convergent and transform boundaries.

AN EXAMPLE FROM THIS CHAPTER

Two plates move away from each other at a mid-ocean ridge. Which boundary type fits?

Show answer & explanation

divergent boundary

The plates diverge, allowing new crust to form between them.

Curriculum & source notes

These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.

High-school courses can be taken in different years. Choose the topic that matches the student’s current course.

Read all curriculum references →