Year Three – Keeping Water in Soil Investigation (January 2018)
Year 3 have been investigating what soil is made of and trying to answer the question of what type of soil is best at holding onto water.
Year Four/Five – Chromatography Investigation
As part of a science activity, the children ‘found’ a ransom note in the classroom, claiming someone had kidnapped the class Panda (who helped teach them how to use < and > signs way back last September), leading them into an investigation to discover which pen from a selection of six was used to write the note. Mr Slater provided them with a chromatogram from the ink in the guilty pen. They then took samples from each of the six suspect pens and prepared filter paper strips to dip in water to start the chromatographic process. The water is drawn up the paper and separates out the various different inks that make the ‘black ink’ to form a very unique pattern for each sample (with some exceptions). This pattern can then be compared against the sample from the guilty pen to find the culprit. The red pen was found to be the guilty one!
Year Five @ Acle Academy Science Morning – 22nd June 2017
Year 5 had an insight into science teaching at Acle Academy when they visited for the morning to try out some colour based science activities. In groups, each pair from Lingwood had the chance to test pen inks using chromatography, check the pH of various substances, and find out the colour produced when different chemicals were set alight. So, fire, acid and the fascinating world of forensic science in one morning! Thanks to the Science Dept. at Acle Academy for organising the event.
Year 4/5 – Parachute Making – 1st February 2017
Year 4/5 are investigating the forces that act on a parachute as it falls to the ground. Different groups decided to test two variables – 1) the material the parachute is made of and 2) the shape of the parachute canopy – to see what effect these had on how long the parachute took to reach the ground when dropped from a height.
They were careful to keep everything else the same in their designs and investigations (i.e how high the parachutes were dropped from, the weight of the parachute-wearer, the length of the parachute cords etc.)