Across
- 2. The continuous line forming the boundary of a closed geometric figure
- 5. Special features helping an organism survive in its environment
- 8. A numerical quantity that is not a whole number (part of a whole)
- 10. Drastic physical change from a larva into an adult (like a frog or butterfly)
- 12. Chemical reaction between an acid and a base to form salt and water
- 13. Material that allows heat and electricity to pass through easily
- 14. A seasonal reversing wind system that brings heavy rainfall
Down
- 1. Force that opposes motion between two surfaces in contact
- 3. A smaller river or stream that flows into a larger main river
- 4. Imaginary line dividing the Earth into Northern and Southern Hemispheres
- 5. An object made by humans of historical or cultural interest
- 6. Transfer of pollen grains from anther to stigma in flowers
- 7. Balanced and proportionate similarity found on opposite sides of a dividing line
- 9. The natural home or environment of an animal or plant
- 11. Tiny pores on the underside of leaves for gas exchange