Across
- 4. A negatively charged subparticle
- 9. A wave which has the movement of the particles in the medium in the same direction as the direction of movement of the wave
- 10. A small component of a cell
- 11. Man, this distance from the crest to the trough is quite long
- 12. A coil of wire that can produce a magnetic field
- 15. Two or more elements that are ... chemically bonded
- 17. How many times can you
- 18. Waves in which the medium moves at right angles to the direction of the wave
- 21. Particles of light
- 22. Thius includes protists and animal cells
- 25. They are all bacteria
- 26. Made of only one cell
- 28. the range of wavelengths or frequencies over which electromagnetic radiation extends.
- 29. The bending of light at a bondary between two different substances
- 31. The distance from the line in the middle to the crest or trough
Down
- 1. The substance outside of a cell's nucleus
- 2. Composed of many cells
- 3. The core of a cell
- 5. the semipermeable membrane surrounding the cytoplasm of a cell.
- 6. An invention of Robert Hooke
- 7. An object used to measure magnetic fields
- 8. The opposite of an electron
- 13. The Vertical collumns in the Periodic table
- 14. The horizontal rows in the periodic table
- 16. The study of both magnetic and elec.... forces
- 19. If it's not positive or negative, then it's neutral
- 20. Two or more elements that are chemically bonded
- 23. What we are all made of
- 24. Which chemical reation involves oxygen
- 27. The base of life
- 30. The highest point of a wave