Across
- 2. a machine that uses escaping gas form burning fuel to move.
- 4. a diagram that shows the feeding relationships between organisms in an ecosystem.
- 6. rocky object that orbits the sun.
- 9. a wetland ecosystem.
- 11. the capacity to do work.
- 12. an organism that is killed and eaten by another organism.
- 14. energy of an object because of its position,shape or condition.
- 16. a gradual increase in average global temperature.
- 18. a collection of stars, dust, and gas.
- 19. a movement of ocean water that follows a regular pattern.
- 21. the nonliving part of the environment.
- 22. a movement of ocean water deep below the surface.
- 25. an organism that eats both plants and animals.
- 27. an organism that eats all or part of another organism.
- 29. the products and processes that are designed to serve our needs.
Down
- 1. periodic rise and fall of the water levels in the ocean.
- 3. a group of stars that are close together relative to surrounding stars.
- 5. a community of organisms and their abiotic environment.
- 7. the process of obtaining information by using the senses.
- 8. an organism that eats animals
- 10. the amount of matter in an object.
- 13. the movement of deep, cold, and nutrient rich water to the surface.
- 15. the rate at which charges pass through a given point.
- 17. an event where one celestial body falls on another
- 20. the living part of the environment.
- 23. a group of organisms of the same species that live in a specific area.
- 24. energy of an object due to motion.
- 26. a relationship between two species in which both species benefit.
- 28. the time required for Earth to rotate once on its axis.
- 30. the energy transferred between objects.