Greek Word Parts

3. a sudden accident or natural catastrophe that causes great damage or loss of life
5. the branch of science that deals with celestial objects, space, and the physical universe as a whole
7. someone that is trained to travel in a spaceship
10. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
11. a tiny wafer of semiconducting material used to make an integrated circuit
15. the study of the development, structure and functioning of human society
17. used for seeing things up close
18. the study of earth's physical structure and substance
19. the study of the history of words

1. something(such as a place or event) that is seen as a small version of something much larger
2. a collection of myths
4. the study of the movements and relative positions of celestial objects
5. a symbol that looks like this *
6. an expert in or student of astronomy
8. an electrical device used for heating up food
9. the way that we apply scientific knowledge for practical purposes, it includes machines like computers
12. film containing microphotographs
13. a small rocky object that orbits the sun
14. a microorganism
16. the study of living organisms