Across
- 2. Science of man – his physical characteristics, origin, race, and culture.
- 5. One of the 106 simple substances from which all other things are made up. An element cannot be separated into simpler parts by chemical means.
- 6. Capacity for doing work, such as lifting or moving an object. Light, heat, and electricity are different forms of energy.
- 9. The customs, arts, and conveniences of a nation or people at a given time.
- 10. Hardened remains or traces of an animal or plant of a former age.
- 11. Branch of biology that deals with animal life.
- 13. A branch of biology that deals with plant life.
- 15. Science that deals with the earth’s crust, its layers, and their history.
- 17. Science of the sun, moon, planets, and stars – their motions, sizes, and constitution.
- 18. Made artificially by chemical synthesis.
- 21. Science of the mind, dealing with actions, feelings, thoughts, and behavior.
- 22. The smallest part of a chemical element that can take part in a chemical reaction without being permanently changed.
- 23. All the surrounding conditions affecting the development of living things.
Down
- 1. The smallest particle into which an element or compound can be divided without changing its properties.
- 3. Science of life forms existing in prehistoric time (before recorded history) through the study of fossils.
- 4. Science that deals with the properties and interrelationships of matter and energy. The study of mechanics, heart, light, sound, electricity, magnetism, and atomic energy.
- 7. Study of the truth or principles underlying all real knowledge; system for guiding life.
- 8. Branch of biology that studies the relations of organisms and environment.
- 12. Air that surrounds the earth.
- 14. Study of the nature, origin, and development of community life – crime, poverty, marriage, church, and school.
- 15. Study of the earth’s surface, climate, peoples, industries, products, and so forth.
- 16. Science that deals with the properties, composition, structure, and interactions of matter.
- 19. Science of the productions, distribution, and consumption.
- 20. A substance formed by chemical combination of two or more substances.
