Across
- 2. This is formed when crustal plates collide.
- 5. When plates neither move away or toward other but simply slide past each other, this is known as _________ boundaries.
- 6. A supercontinent that existed millions of years ago.
Down
- 1. Plate_______ is the study of crustal plates.
- 3. When plates move away from each other, this is known as _________ boundaries.
- 4. When plates move toward each other, this is known as ________ boundaries.