Across
- 4. Take in or soak up
- 5. The outside of things, usually serving as protection
- 7. Tiny yellow grains made by flowering plants
- 8. Groups or bunches of things, especially plants and dirt
- 10. Sharp, pointy growths
- 11. Very old traces or remains of plants or animals
- 12. Things that help solve a mystery or problem
- 17. All the way through
- 18. Very wild and dangerous
- 20. To seem to disappear when mixed with liquid
Down
- 1. Narrow paths or channels
- 2. Having to do with the warm areas of the Earth near the equator
- 3. Opening to view
- 6. What is left
- 9. To show by using facts
- 13. Frameworks of bones inside or outside of bodies
- 14. Place where something is
- 15. To put away for later use
- 16. Covered up
- 19. Facts that lead to a conclusion or help people find out what is true