Across
- 2. basic units of matter
- 5. rock that has undergone transformation by heat, pressure, or other natural agencies
- 7. relating to or determined by the sun
- 10. remains of a prehistoric plant or animal embedded in rock
- 15. earthen materials are worn away
- 16. an optical instrument used for viewing very small objects
- 17. having solidified from lava or magma
- 19. the systematic investigation into and study of materials
- 20. anything that can change or be changed
- 22. phenomenon in which an object changes its position over time
- 24. information collected
- 25. an individual animal, plant, or single-celled life form
- 26. basic building blocks of all living things
- 28. a branch of biology concerned genes
- 30. natural force that causes things to fall toward the earth
- 31. the science which deals with the physical structure and substance of the earth
Down
- 1. a proposed explanation for a phenomenon
- 3. a contemplative and rational type of abstract or generalizing thinking
- 4. a thing that is known or proved to be true
- 6. the movement of a substance from an area of high concentration
- 8. notice or perceive (something)
- 9. the branch of science concerned with the nature and properties of matter and energy
- 11. a scientific procedure undertaken to make a discovery
- 12. branch of science that explores the chemical processes
- 13. kept the same during a scientific experiment
- 14. an object is a measure of the amount of space occupied by that object
- 18. the breaking down of rocks, soils, and minerals
- 21. study of celestial objects
- 23. motion of material bodies and the forces and energy associated therewith
- 27. naturally occurring material that is broken down by processes of weathering and erosion
- 29. model is a representation or copy of an object that is larger or smaller