Matter & Motion
Across
- 3. Speed is the ratio of distance and _________.
- 4. _________ is less than or equal to distance.
- 6. Motion and rest are not absolute but __________.
- 7. Substances that can flow are called _________.
- 8. Velocity can change only by changing its speed or _______ or both.
- 12. Dry Ice is solid ________.
- 13. KMnO4 is a ______ colored liquid.
- 16. ________ is negative acceleration.
- 19. Iodine is a _______ substance.
Down
- 1. Change in velocity is equal to ________ multiplied by time taken.
- 2. NH4Cl is the chemical name for __________.
- 5. The five basic elements of matter.
- 9. Matter is anything that has mass and _________.
- 10. Tea and coffee are made n the principle of _________.
- 11. Velocity is a _________ quantity.
- 14. SI unit of temperature.
- 15. Vector quantities are those who can describe themselves with both direction and ________.
- 17. Evaporation causes _________ , whereas boiling doesn't.
- 18. _________ is always positive.