Spelling week 8

2. arrange according to a plan or schedule
5. relating to geometry, or according to its methods or characterized by or decorated with regular lines and shapes "a geometric pattern"
8. so small as to be visible only with a microscope
10. admitting of or causing doubt; uncertain; ambiguous
13. a Chinese geometrical puzzle consisting of a square cut into seven pieces which can be arranged to make various other shapes
15. a scientist who studies the solid, liquid, and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them
16. an electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation
18. an instrument for converting sound waves into electrical energy variations which may then be amplified, transmitted, or recorded
19. quantity of food or drink that fills or can be put in the mouth or a long or complicated word or phrase that is difficult to say
20. a line which marks the limits of an area; a dividing line

1. the study of places and the relationships between people and their environments
3. a body of people elected to manage the affairs of a city, county, or other municipal district
4. get off a horse, bicycle, or anything that one is riding
6. the science which deals with the physical structure and substance of the earth, their history, and the processes which act on them
7. a metric unit of weight equal to 1000 grams
9. a scientist who studies microscopic life forms and processes
11. an ornamental structure in a pool or lake from which one or more jets of water are pumped into the air
12. a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill
14. is the past tense and past participle of rewind
17. simplified drawing showing the appearance, structure, or workings of something