Across
- 2. Process of removal of wastes in human body
- 4. Shape with all sides equal and all angles equal
- 5. Brain of computer
- 8. Substance that speeds up a chemical reaction
- 9. Tiny pores on leaf surface
- 13. Physical parts of computer are called
- 14. Organ used for breathing in humans
- 15. Instrument used to measure temperature
Down
- 1. Device used to see distant objects clearly
- 3. Chemical reaction with oxygen
- 6. Measure of chance is called
- 7. Triangle with all sides unequal
- 10. Force acting towards the center of Earth
- 11. Substance formed after a chemical reaction
- 12. Software used to browse internet