Across
- 2. Light Physics
- 4. It is a cloud of interstellar material made up of dust, hydrogen & other gases
- 6. Sound Physics
- 11. It is the union of two kinds of gametes
- 12. force per unit area
- 13. It is a mountain whose slopes is rise steeply into air
- 14. This are like deep canals on the seafloor
- 15. a substance tending to flow
Down
- 1. It refers to the earliest stage of development of an organism
- 3. the study of heat movement
- 5. It is where the water is stored underground
- 7. the study of matter and energy
- 8. It is a explosion of a star
- 9. It is an area where runoff drains into a river, stream, lake reservoir or ocean
- 10. It is a break in the ground along which movement has taken