Chemistry and light
Name: ______________________ Date: ____________
Use the clues to fill in the crossword.
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Across
- 2. A mass of small bubbles formed in or on a liquid (4)
- 3. A signal transmitted along a narrow path (4)
- 4. A sweet drink containing carbonated water and flavoring (4)
- 8. A circular segment of a curve (4)
- 10. A line on a graph representing data (5)
- 13. State of matter that flows like water (6)
- 14. The act of conducting a controlled test or investigation (10)
- 15. What lets us see; the opposite of dark (5)
Down
- 1. An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___ (6)
- 5. Any of various water-soluble compounds having a sour taste and capable of turning litmus red (4)
- 6. To manifest or bring back (7)
- 7. The science of matter (9)
- 9. Pouring out fumes or lava (8)
- 11. The simplest structural unit of an element or compound (8)
- 12. The act of ___ together (3)
- 16. State of matter that fills any space, like air (3)