Across
- 2. tectonics, the lithosphere is made up of tectonic plates that move across Earth's surface
- 4. the sideways downward movement of the edge of the plate of earth's crust into the mantle beneath another plate.
- 6. limitations on an engineering solution
- 8. you must meet these requirements in order for your project to be successful
- 9. resource, materials such as oil, coal, natural gas, metals, stone, and sand
- 10. a break in Earth's crust
Down
- 1. educated guess
- 3. drift, continents slowly drifted to their current positions after being part of a giant landmass that broke apart
- 5. theory, a well-established group of ideas that is supported by a large amount of evidence
- 7. spreading, mid-ocean ridge slowly pulling away from each other