22. A: B: hours Days C: D: Minutes Seconds #11 What units would you use to measure the time taken for a paper helicopter to fall from a height of 100cm?
36. A: B: Evaporating dish, tripod, bunsen and gauze A funnel and filter paper C: D: A magnet Siv #18 Which apparatus would you use to separate sand and water?
38. A: B: Add the values Add values and subtract 1 C: D: Add values and times by 2 Add the values and divide by the number of values there are. #19 How do you work out the average?
48. A: B: As the temperature decreases the time increases As the temperature increases the time decreases C: D: The longer time theigher the temperature. Temperature and time stay the same. #24 What is the relationship