Across
- 2. constant circulation of Earth's water
- 5. organism that only eats plants
- 7. the living parts of an ecosystem
- 9. the idea that if an object is in motion, it will remain in motion unless another force acts upon it
- 13. energy from this fuels photosynthesis
- 15. organism that only eats meat
- 19. the nonliving parts of an ecosystem
- 20. distance/time
- 21. something that can provide energy for work ex. gasoline and ethanol
- 23. change in position of an object
- 24. can exchange both matter and energy with
Down
- 1. Numeric data
- 3. Descriptive data
- 4. a combination of food chains
- 6. can neither exchange matter nor energy with surroundings
- 8. can only exchange energy with surroundings
- 10. organism that eats both meat and plants
- 11. A force that pulls objects towards one another
- 12. A push or a pull on an object
- 14. organism that produces its own energy
- 16. our planet
- 17. Amount of matter
- 18. famous English physicist who is credited for the discovery of gravity
- 22. transfer of kinetic energy