The Best Science Events and Museums of 2015


The steamboat Turbinia can be seen at Newcastle’s Discovery museum

For anyone interested in taking a break from the books for a bit and taking a field trip to a Science Museum, or wishing to take part in an event on any part of the subject, the following may be of interest…


British Science Week 2015 will take place 13 – 22 March. This is a ten-day celebration of science, technology, and engineering and features, entertaining and engaging events across the UK for people of all ages. You can find more information, including activity packs for different age groups,  through their website at  . Anyone can organise an event or activity, and the British Science Association helps organisers plan by providing what are free support resources.

The Big Bang Fair UK: Young Scientists and Engineers Fair
This fantastic event is coming back to the NEC this month from 11 – 14 March 2015. Visitors can meet engineers and scientists from large multinational corporations and a range of diverse and unique UK companies.

The Summer Science Exhibition at the Royal Society London
The Royal Society’s Summer Science Exhibition is their main public event of the year and showcases the most exciting cutting-edge science and technology research and provides a unique opportunity for the public to interact with scientists.
The Royal Society Summer Science Exhibition 2015 runs from 30 June – 5 July at the Royal Society, London.

There are a great many science museums in the UK. Here are some of the best.

1) Science Museum, Birmingham includes a science garden, planetarium and an interactive show which lets children explore the human body by seeing what it’s like to shrink to the size of a living cell.

2) National Space Centre, Leicester. Here you can explore the wonders of the Universe and discover the science behind the search for extra-terrestrial intelligence, plus take a tour of the 42m high rocket tower. There is also the Sir Patrick Moore Planetarium.

3) Museum of the History of Science, Oxford, has an unrivalled collection of early scientific instruments in the world’s oldest surviving museum building.

4) Museum of Science and Industry (MOSI), Manchester is currently showing a 3D printing exhibition.

5) The Science Museum, London contains a new nanotechnology exhibition, and the space travel exhibition is outstanding. I found the history of medical science exhibition very good.

6) Techniquest, Cardiff is currently showing an exhibition of colourful chemistry over the weekends 28 February – 22 March.

7) MAGNA, Rotherham has a fantastic electric arc furnace exhibition, including pyrotechnics.

8) Discovery Museum Newcastle
This museum houses the finest collections of scientific material outside London and has important collections of maritime history.
The museum contains Charles Parsons’ ship, Turbinia, and Joseph Swan’s historic lightbulbs.
The Turbinia is my favourite museum exhibit which I saw on a school trip in 1967. She was designed by the Tyneside engineer Sir Charles Parsons in 1894 and was the world’s first ship to be powered by steam turbines. Until 1899, Turbinia was the fastest ship in the world, reaching speeds of up to 34.5 knots.

512px-Laura_RobsonWith Wimbledon coming up, we thought it would be fitting to think about spinning tennis balls.

The basic spin shots in tennis are topspin, backspin, and slice or side-spin on the serve.
The spinning of tennis balls is defined by Bernoulli’s principle which states that when the velocity of a fluid increases the pressure decreases. Air behaves as a fluid and so when a tennis ball is spinning the air flows faster on one side of the ball and slower on the other. This creates a pressure difference on the two sides of the ball which in turn creates a force on the ball towards the area of low pressure causing the ball to move through a curve.

When a ball rotates, the air in contact with the ball’s surface rotates with the ball. The hairy, fuzzy nature of a tennis ball means it has the ability to drag a lot of air relative to a smooth ball, and therefore spin is enhanced.

A topspin shot is made by sliding the racquet strings up and over the ball. The friction between the racquet strings and the ball makes the ball spin forward, towards the opponent. The shot dips down after impact and also bounces at a lower angle to the ground than a shot hit with no topspin. This is the normal direction of spin when a ball bounces due to friction from contact with the ground, but additional spin is applied by the strings. This additional forward spin makes the ball come off the ground at speed.

A backspin shot is hit by sliding the racquet strings underneath the ball as it is struck. This causes the ball to spin towards the player who just hit it. This stroke requires about half the racket head speed of a topspin shot because the player is not required to change the direction of spin. When the ball bounces it comes off the ground at a slower speed to a topspin shot.

In the case of topspin, the top of the ball spins into the oncoming air and the front of the ball moves downwards dragging air down with it. More air gets pulled under the ball than goes above it. Since more air has to pass under the ball it has to move faster. This means there needs to be a higher velocity on the lower side of the ball, and subsequently a lower velocity on the top of the ball.
On the top side of the ball this lower velocity creates a higher pressure, and at the bottom the higher velocity creates a lower pressure as in Bernoulli’s Law. With high pressure on top and low pressure on the bottom, there is an imbalance in the forces on the ball which curves it downward from its straight line path. In backspin, the same principles are in action, except in this case the bottom of the ball has the lower velocity so the pressure is higher. The same principle also applies to side-spin.

To see all these types of spin being put to good use, simply turn tune in to the Championships in the next few days.



What initial conclusions about the future of GCSE exams can we draw from the mountain of documents which Michael Gove and the Department for Education released last week? And who will the winners and losers be if these proposals come to pass in their current form?

There is no doubt that the new exams will be harder and more “academic”. If not a return to the degree of difficulty posed by the old O-level exams, these new outline specifications match the difficulty and depth of the current IGCSE (International GCSE) specifications set by Edexcel and the Cambridge board. The message seems to have been: take the best of the current IGCSE specs and call it a GCSE instead.

The subject advisers seem to have taken this brief quite literally in most of the core subjects. It is perhaps most clearly seen in Mathematics, a subject in which the IGCSE specifications already require a number of skills that have been beyond the scope of the GCSE Maths syllabuses for 25 years but which are fundamental to AS level Maths. These include function notation, kinematic problems, set notation, rates of change and Venn diagrams, to name but a small sample of topics. There they are in the new drafts in bold print. This is IGCSE Maths by another name.

Most topics are not in bold print, implying that the boundary between what is now the GCSE Foundation and the current GCSE Higher levels is set to shift. Vectors, formerly to be found in the GCSE Higher level requirements, appear in plain text here, including the multiplication of vectors by a scalar. Some maths teachers may need to go on a refresher course to master the required skills!

Similar principles underlie the Science draft. Not only will the individual specifications require considerably more depth of study, as they do in today’s IGCSEs, but the Combined Science qualification will be the equivalent of two GCSEs, not one, just as it is today with IGCSE Science but not GCSE Science. The simple principle behind GCSE Science is to take one-third of the Biology specification, one-third of the Chemistry and one-third of the Physics, while IGCSE takes two-thirds of each of the respective individual subject specifications. The new proposals unashamedly mimic the IGCSE formula.

If this means that all candidates will now face a choice between tackling the new Double Science GCSE or leaving school without any formal recognition of their achievements in the sciences, there will be huge numbers of schoolchildren who fall in the latter category. While the old “everybody passes” philosophy of GCSE had its disadvantages, do we really want to stigmatise a whole generation as incapable of taking and passing the “simplest” of the new science specifications?


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