environmental science

3. Earth’s water system including oceans, rivers, and glaciers
5. Zone of life where organisms exist.
6. A result of excess CO₂ trapping heat in Earth’s atmosphere
9. A type of chemical reaction that gives off energy.
12. Protective gas layer where weather occurs
15. Bacteria turn nitrogen gas into a usable form for plants in this process.
16. What powers work in biological systems.
20. Energy involved in movement or motion.
21. All the chemical processes that happen inside a living thing.
24. The Earth’s crust and upper mantle form this environmental layer
28. The minimum energy needed for a chemical reaction to begin.
29. Republic Act aimed at managing solid waste
30. The process of converting atmospheric nitrogen into a usable form

1. Discipline studying human behavior, culture, and society
2. Type of potential energy found in food molecules.
4. The release of water from Earth’s surface into the atmosphere
7. Act of perceiving something using senses or instruments
8. A methodical way to gain knowledge through evidence
10. Southeast Asian country vulnerable to typhoons and volcanoes
11. Loss of species that threatens biodiversity
13. Discipline studying human behavior, culture, and society
14. Yellow non-metallic element involved in acid rain formation
17. A biological catalyst made of protein.
18. The law stating that energy is conserved.
19. The main energy currency molecule used by cells
22. Science that explores plants, animals, and microorganisms
23. Science that focuses on matter, energy, and their interactions
25. Study of weather and atmospheric phenomena
26. Repeating sequences scientists try to understand in nature
27. A scientific explanation tested and supported over time
28. The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.