Across
- 3. : Breaking down of food into simpler forms.
- 10. A Process by which green plants make food using sunlight, carbon dioxide and water.
- 12. : Substance that turns blue litmus red.
- 15. : Substance that turns red litmus blue.
- 17. : Small pores on leaves for gaseous exchange.
- 18. : Movement of water and minerals through xylem.
- 19. : Liquid part of blood.
- 20. : Mode of transfer of heat through solids.
- 22. : Device used to measure temperature.
Down
- 1. : Process of taking in and utilizing food.
- 2. : Organ used for breathing.
- 4. : Reaction between an acid and a base forming salt and water.
- 5. : A large area covered chiefly with trees and undergrowth.
- 6. is a Gas taken in during respiration.
- 7. : Type of change in which a new substance is formed.
- 8. : Material that allows heat to pass easily.
- 9. : Burning of fuel.
- 10. : A reversible change.
- 11. : Process by which living beings release energy from food.
- 13. : Green pigment in leaves.
- 14. : Loss of water as vapour from leaves.
- 16. : Process opposite to condensation.
- 21. : Organ that pumps blood in animals.