Across
- 2. Turns the LED on or off
- 3. Main source of energy for photosynthesis
- 4. Transparent container used for the terrarium
- 6. Mini ecosystem inside a glass container
- 9. Living organism that produces oxygen
- 10. Main growing medium for plants
- 12. Gas absorbed during photosynthesis
- 15. Filters water and reduces bad odors
- 16. Gas released by plants
- 18. Variety of living organisms
- 19. Essential for plant survival
- 20. Holds the plant firmly in the soil
- 23. Able to continue without harming nature
- 24. Water droplets formed inside the jar
- 26. Supplies electrical power
- 27. Reuse materials to reduce waste
Down
- 1. Living things and their environment
- 4. Technology that protects the environment
- 5. Process plants use to make food
- 7. Amount of water vapor in the air
- 8. Connects electronic components together
- 9. Bottom layer that helps excess water drain
- 11. Detects environmental conditions
- 12. Organic material that enriches soil
- 13. Improves drainage inside the terrarium
- 14. Soft green plant that grows on rocks and soil
- 17. The natural environment
- 21. Natural home of living organisms
- 22. Energy-efficient light used in the smart terrarium
- 25. Color associated with healthy plants