Random Error Lab Report
Random Error
There were many sources of random errors that could be a factor involved in the variation of the group's results. Randoms errors are human errors, they can affect the results gathered and contribute to reading errors and flaws within human reflexes.
· Size of the liver cubes: As the liver cubes needed to be cut by each individual group, the sizes between the groups may have varied. The required size for the lamb liver cubes was 1cm3 , however the task of cutting the liver into all the same was extremely difficult, keeping the size consistent throughout the nine other groups would be close to impossible. It was important to have a consistent size in the liver pieces, this may have been achieved by a number of groups but the consistent …show more content…
Due to this difficulty, the temperatures used were not always exact as they could be over or under the desired temperature by a small margin. This error would affect the results greatly as the change in temperature would alter the rate of froth production that was not predicted.
· Stopwatch start and stop time: Another major error in this experiment would be the start and stop time of the stopwatch. The other groups may have not started their stopwatch at the exact same time that we would have, resulting in less time or more time for the froth to produce. The stopwatch may not have been stopped at exactly 20.00 seconds and the person taking the measurements may not have measured the height at exactly 20 seconds but a few moments after.
· Reading and recording errors: There are errors surrounding the reading of measurements of the hydrogen peroxide solution and of the height of the froth. If the hydrogen peroxide solution was measured incorrectly by not being taken at eye level, this could have affected the rate of the reaction by having a varied amount of solution added to the liver. If the froth was measured incorrectly, it too would impact the results as a higher or lower height would be recorded and used, again varying the results from other
There were many sources of random errors that could be a factor involved in the variation of the group's results. Randoms errors are human errors, they can affect the results gathered and contribute to reading errors and flaws within human reflexes.
· Size of the liver cubes: As the liver cubes needed to be cut by each individual group, the sizes between the groups may have varied. The required size for the lamb liver cubes was 1cm3 , however the task of cutting the liver into all the same was extremely difficult, keeping the size consistent throughout the nine other groups would be close to impossible. It was important to have a consistent size in the liver pieces, this may have been achieved by a number of groups but the consistent …show more content…
Due to this difficulty, the temperatures used were not always exact as they could be over or under the desired temperature by a small margin. This error would affect the results greatly as the change in temperature would alter the rate of froth production that was not predicted.
· Stopwatch start and stop time: Another major error in this experiment would be the start and stop time of the stopwatch. The other groups may have not started their stopwatch at the exact same time that we would have, resulting in less time or more time for the froth to produce. The stopwatch may not have been stopped at exactly 20.00 seconds and the person taking the measurements may not have measured the height at exactly 20 seconds but a few moments after.
· Reading and recording errors: There are errors surrounding the reading of measurements of the hydrogen peroxide solution and of the height of the froth. If the hydrogen peroxide solution was measured incorrectly by not being taken at eye level, this could have affected the rate of the reaction by having a varied amount of solution added to the liver. If the froth was measured incorrectly, it too would impact the results as a higher or lower height would be recorded and used, again varying the results from other