Across
- 1. ________ of water is used to collect gases that are insoluble or slightly soluble in water
- 4. ________ error is the error whereby ________ reaction time affects accuracy of the result of an experiment
- 5. ________ speed is the total distance travelled over total time
- 8. SI unit for time
- 10. ________ delivery is used to collect gases that are denser than air
- 11. ________ refers to the number of complete oscillations in a second
- 13. ________ delivery is used to collect gases that are less dense than air
- 14. An apparatus used to accurately measure up to 0.01mm
- 16. The rate of change of velocity of an object per unit time
- 17. A gas ________ can be used to collect all types of gases
- 18. A measure of the repeating motion that a pendulum makes as it makes a complete swing
- 19. ________ error occurs when the zero mark on an apparatus’ main scale is not in line with the zero mark on the sliding or moving scale when closed
- 22. SI unit for frequency
- 23. The process when a substance changes its state from a solid to a gas
- 24. ________ is the time taken to complete an oscillation
Down
- 2. A method used to obtain a soluble pure solid from an impure solution if the solid decomposes on strong heating
- 3. Used to measure temperature
- 6. The shortest distance measured in a straight line in a specified direction between two points regardless of the actual path taken by the moving object
- 7. An apparatus used to accurately measure up to 0.01cm
- 9. The rate of change of displacement of an object per unit time
- 12. ________ distillation is a method used to separate pure liquid from a solution of two or more miscible liquids
- 15. A method used to separate and identify coloured and colourless mixtures
- 20. Method used to separate insoluble solids from a liquid-solid mixture
- 21. ________ speed is when the acceleration is zero
