Across
- 3. a small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion.
- 4. the science that studies the composition, properties, and activity of substances and various elementary forms of matter
- 6. a liquid substance made of solid coloring matter and applied to a surface for protection or decoration:
- 9. a person who teaches or instructs, esp. as a profession.
- 10. a strip of wood, metal, or other material having a straight edge and usually marked off in inches or centimeters, used for drawing lines
Down
- 1. a shiny white surface that can be wiped clean after being used for writing or drawing on, used esp in teaching
- 2. a V-shaped instrument for drawing circles, measuring distances, etc.
- 5. a fluorescent felt-tip pen used as a marker to emphasize a section of text without obscuring it
- 6. an apparatus for throwing an image on a screen, as a motion-picture projector or magic lantern.
- 7. a machine for fastening together sheets of paper
- 8. a table or counter at which a specific job is performed or a service offered