Natural History
Across
- 2. substances that are formed naturally in the Earth
- 4. of the five kingdoms of life, these use photosynthesis and don't move around
- 5. the study of any living plant or animal in the sea
- 8. the study of matter, and all forces and their effects
- 11. cold blooded vertebrates that that live on land after they hatch and grow in water, but some always live in water
- 13. something made or given shape by humans, such as a tool or a work of art of general archaeological interest
- 14. space rock that has reached Earth's surface
- 15. branch of science that deals with chemical elements and compounds
- 19. explains movement of the Earth's lithosphere (crust and upper mantle)
- 22. a naturally occurring solid made of crystallized minerals or other mineral-like substances
- 23. animal that does not have a spinal column or backbone
- 24. the study of how people lived in the past
- 29. the study of everything outside the atmosphere of Earth
- 31. an animal with a spinal cord surrounded by cartilage or bone
- 32. the study of the nonliving things that the Earth is made of
- 33. the science that focuses on the Earth's atmosphere
- 34. rock that has been changed
- 35. the remains or trace of an ancient living thing
Down
- 1. the study of human beings
- 3. vertebrates that are cold blooded, have scaly skin and lay eggs and live on land
- 6. the study of plants
- 7. also called "marine science"
- 9. vertebrates that are warm blooded, have feathers, wings, and lay eggs
- 10. the science of insects
- 12. the study of fossils of living things, and their evolutionary relationships
- 16. rock that has been made from sediment
- 17. the study of animals
- 18. vertebrates that live and breathe underwater with gills, most have scales, lay eggs and are also cold blooded
- 20. may also be called "geoscience"
- 21. the study of the Earth and its features, its inhabitants, and its phenomena
- 25. studies weather conditions averaged over a period of time
- 26. the science of life and living things
- 27. vertebrates that give live birth, and produce milk for their young
- 28. rock that has been made by volcanic action
- 30. complex, with many eukaryotic cells, do not use sunlight to make food