Across
- 2. science of how things work
- 3. smallest parts of a substance that have characteristics of that substance
- 8. a tiny fraction
- 9. in one piece
- 10. small balls that can be shot
- 11. take
Down
- 1. scientist who studies lioving things
- 4. area measurement of the outside surface
- 5. giving off a rainbow of colors
- 6. three dimensional shape that looks like a ball
- 7. tiny particles iof light