Unit 4 Vocab

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Across
  1. 3. Boundary Where two tectonic plates collide.
  2. 5. The rigid outer layer of Earth,
  3. 6. Tectonics The theory explaining Earth’s lithosphere is divided into constantly moving plates.
Down
  1. 1. The soft, plastic-like layer below
  2. 2. Boundary Where two plates slide past each other horizontally.
  3. 4. Boundary Where two plates move away