Across
- 2. - SI unit of pressure.
- 4. - Substance that dissolves another.
- 7. - Smallest unit of matter.
- 11. - Neutral particle in nucleus.
- 14. - Combination of substances not chemically combined.
- 16. - Atom with same protons but different neutrons.
- 18. - Vertical column in periodic table.
- 22. - SI unit of force.
- 23. - Substance made of only one kind of atom.
- 24. - Amount of matter in an object.
- 25. - Distance traveled per unit of time.
- 26. - Amount of space an object occupies.
- 27. - Tendency of an object to resist change in motion.
- 30. - Speed in a given direction.
- 32. - Number of wave cycles per second.
- 33. - SI unit of energy.
- 36. - Bouncing back of waves from a surface.
- 38. - Force pulling objects to Earth.
- 39. - Distance between consecutive wave crests.
Down
- 1. - Negatively charged particle orbiting nucleus.
- 3. - Homogeneous mixture of solute and solvent.
- 5. - Substance being dissolved.
- 6. - Substance formed by two or more elements.
- 8. - Positively charged particle in nucleus.
- 9. - Rate of change of velocity.
- 10. - Resistance between two surfaces in contact.
- 12. - Force applied over a distance.
- 13. - Force exerted per unit area.
- 15. - Ability to cause change or do work.
- 17. - Referring to repeating patterns in the table of elements.
- 19. - Rate of doing work.
- 20. - Horizontal row in periodic table.
- 21. - Disturbance that transfers energy.
- 28. - Bending of waves when changing medium.
- 29. - Mass per unit volume.
- 31. - Mass times velocity.
- 34. - Push or pull on an object.
- 35. - Two or more atoms bonded together.
- 37. - Atom with electric charge from losing or gaining electrons.
- 40. - Maximum displacement of a wave.