Across
- 4. The cell's barrier to the outside
- 5. A type of boundary that occurs when two tectonic plates move away from each other
- 6. Remains of past organisms preserved
- 8. What things are made of
- 9. maintaining stable internal state
- 10. the process of atoms or molecules arranging into a well-defined, rigid crystal lattice in order to minimize their energetic state
- 12. powerhouse of the cell
- 13. the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Down
- 1. a tectonic plate boundary where two plates are moving towards each other, causing them to collide
- 2. The periodic table's horizontal rows
- 3. a geological process where one tectonic plate slides beneath another
- 4. Atoms bounded together
- 7. 15 naturally occurring metallic elements
- 9. an educated guess to be tested
- 11. The periodic table’s vertical columns