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Measuring the focal length of a lens

Last day of workshops. It all went well but we are all soooooo tired. was a presentation at the end from the students with a speech and wearable presents (wait till we get home if you are curious)







The packing up afterwards for the microscopists was particularly hard - packing away 20 microscopes and associated fiddly accessories.



Still finishing off this evening as we need to assess which students get the science and electronics kits - we only have enough for half of them Most of our party are settling down to a posh dinner. Mine starts and ends with rum and raisin ice cream (no vanilla to be had).
Tomorrow we are going to the airport via a primary school. By the way if you are on Facebook you can comment at http://www.facebook.com/pageant.uk
 
Next off its Micklepage with the wonderful youth from our church this weekend – yey!

The 20 or so vultures circling the trees nearby appear to have given up hope for the evening.....

Still feeling a bit tender but made it to the science workshops. Reverting to light, lens and the eye from strings and sound paid off. The former topic is all geometric and visual with zero maths which works here. Being a normal working day, the college was full of students and it was difficult to keep the class sizes to 20 each. For the techies among you, using a plastic bottle for the pupil of the eye works brilliantly; squashing the bottle is analogous to deformation of the pupil. Great to have Yankuba along today too-his day off and he chose to come with us.
Notice Dan's hair!

Valentines dinner tonight – feel bit wistful. Tummy remains dickey so had an omelette and retired to my blog.
It has been great but I'm looking forward to home.

This apparently is the recommended treatment for Banjul belly, so baobab juice it was for breakfast. I'm resting up today; hopefully I will be fit for the workshops Wednesday and Thursday. Sadly this means I will miss Emma, supported by Katie, Jayson and Dan teaching a primary class to play straw whistles (pitch changes with length of straw), and calculating speeds in a running race.

Good day. Didn't almost knock any children down in Serrekunda (forgot to mention that yesterday– a horrid second which thankfully came to nothing).

More electronics!

Radioactivity-a dicey subject

Bob's optimised volcano was even more spectacular today and Sally, Adrian and Ian G's powder ignition went with a bang all day. My experiments on sound and vibrations went quite well but it was difficult not to get bogged down in equation manipulation which is generally not a strong suit here. I will revert to the eye and light on Tuesday. Emma and Katie's dice radioactivity exercise was very popular and I gather the fact that UK A level students (Jayson and Dan) were able to devise and deliver such a clear class on electricity was noted with amazement by the college teachers. Lots of thanks at the end and a lovely group photo.


Yusupha came back to chat and play games before heading home with Abdoulie.


All the “adults” went out to eat. I felt so tired I couldn't face staying out late so ended up chatting about life the universe and everything with E,K, IG, J and D which was really great. Hardly ate anything. Now back in my room, I'm shivering in bed wearing a fleece (in the Gambia!). It took 7 days for Banjul belly to catch up with me. Tomorrow is a “rest” day between workshops. My plans to join in with teaching at a lower basic school have been sidelined. I'm fine otherwise but if you pray I old appreciate some.

Struggling with bust lock

A 7.45 departure to arrive in plenty of time for the workshops picking up Yusupha (whom we sponsor) on the way. First problem – we can't unlock the classroom door – the lock is well past fixing.
20 minutes later, Joe finds another way in and then a college maintenance guy gets the door open anyway.
!0 minutes to prepare and off we go...

Teaching electronics

Teaching chemistry

In one room we have optical microscopy led by Pippa and Cathy, in the other us physicists and chemists. In our room we have 5 “stations” covering, electricity (Dan and Jayson), levers (Joe), radioactivity (Katie and Emma), chemistry (Sally, Ian and Andrew) and waves (me).



Each group of ~3 student teachers has 45 minutes at each station to experience some hands on science. My station is deliberately minimal as kit is so difficult to get here; we make an eye using the bottom 100mm of a plastics drinks bottle, corrugated cardboard iris, milk and two proper items, a lens and a wind up torch.

Teaching refraction

Teaching about waves

All the student teachers are very willing to learn and at the end of the day they each have 15 minutes to teach a class (the rest of their group) on one experiment from the day. It is interesting to see how their ability to engage and involve their students varies.

Potions with Prof Snape

Potassium permanganate+glycerol - highly exothermic

As a finale Bob poured glycerol over potassium permanganate to produce a purple flame and smoke, while Sally started soaking an egg in a chemical I missed. Is she trying to dissolve the calcium?



We were all pretty whacked after a long but successful day. Same again tomorrow!

PS Thanks to everyone who has sent such encouraging feedback by Facebook. It is so good to have your support.

Friday night and we are all set, experiments mostly sorted, whole team (now 14) arrived minus one suitcase :-(  .
Two minibuses were needed to transport team and kit this morning.







One set off straight for Brikama and Gambia College, the other went by the MRC in Fajara where we were kindly given some potassium permanganate-essential to one of Bob's more spectacular experiments.


Set up was reasonably straightforward. Abdoulie and some students made an excellent stand for our deliberately basic ripple tank made from shallow plastic tray and straws. Illuminated by a wind up torch it shows reflection and diffraction very well.

Building a ripple tank (from a plastic tray, straws and tape!)

In the afternoon Bob was intent on tracking down local sources of chemicals; spring onions, sweet potato, a galvanised pipe fittings. Sadly know red cabbage. Citrus fruit juice to be picked up at breakfast which will be 7am. Hum...
PS Ian now has a very trend pair of swimming shorts foregoing the opportunity to invest in some beautiful floral ones.

Not gone anywhere so far today however we have not been twiddling our thumbs. Each of the 80 student teachers who will be attending the workshops at Gambia College will be receiving a pack of teaching information specifically covering the subject matter of the workshops.  Thanks to generous donations from many about half of the teachers will receive a starter pack of science teaching materials for Physics and chemistry including a simple good quality binocular microscope each (kindly donated by Motic and a college in Newcastle).


So today has been splitting up materials for each teacher pack – either in a bedroom or out on the terrace. Several guests and many staff were curious to know what we were up to and even had a go using a hand magnifier or microscope. Notice how our Tesco carrier bags are in Pageant colours-how clever of them to know.








Nine more of our party arrive this afternoon all being well (the sky is much clearer today thankfully).  Tomorrow morning we are off to Gambia College to set up.

Still not too hot today, the sand hanging in the air is still keeping off the hottest sun. Our first assignment today was visiting Gambia college to check out the rooms to be used for the science workshops. The head of the college had this arranged very well. We also bumped into a young reporter from a national paper who hopes to come and report on the workshops. Three or four of the best student teachers I met at the course last year who are on teaching assignments nearby should hopefully be able to attend as the microscopy and chemistry will be new to them.
Thereafter we visited several schools where sponsored children attend. Some appeared well organised and reasonably well maintained, others less so. While waiting for one sponsored child to turn up at a Lower Basic school, I vacated the head master's office and chatted with some of the children. This evolved into mental arithmetic and “Simon says”. At that point I decided a strategic withdrawal as the crowd increased in size and there was danger of a ruck forming.

As we were leaving a large quantity of materials arrived accompanied by a Swiss lady. She showed us a folder of pictures of students at a school near Zurich making and putting together all the resources before being sent to the Gambia. Her passion to move away from board based to experiential learning struck a chord with us.
Visiting several compounds, we were invited to have a meal at one compound which was very kind as I don't think we were expected. Their garden was well looked after and had a very deep well.

Tomorrow morning we will staying put to compile about 20 science kits from the boxes of carefully selected stuff we have brought out. These science kits have in many/most cases been donated as alternative gifts by kind Pagean supporters. We will be using the same items as in the kits during the workshops.

For all you chemists out there you will be overjoyed to hear we now have potassium permanganate!

Finally, the creaking wheel bearing on the minibus has been fixed (Abdoulie you are a star-the new shades suit you).

Finally, finally, Fatoumata (the one studying politics etc.) is really looking forward to seeing you, Frances :-)

Not too early a start (Ian and I were let in gently). Before leaving we met a quiet boy in school uniform who had come to show Pippa a painting he had just finished. After year 12 his hope is to take a multimedia and technology course because he is good at graphic art. We decided to give him the laptop I had brought out (kindly donated by – well you know who you are). Here he is with me.

He was nearly in tears having no idea this was coming.


The rest of the day was spent visiting schools and sponsored children in the Kombo (south of Banjul and behind the coastal tourist strip).

Since my arrival there has been a constant sandy haze which has kept the temperature at an almost chilly 29C. Showed some students at Tujure photos of our garden covered in snow-they were quite amazed.
Earlier start tomorrow – off to Brikama to check out the set up for the science workshops starting Saturday.




Finally can you spot the novel adaptation of the horn in this photo?

All sorted. Looking forward to a transition from about -3C ish to + 35ish as we head off to Banjul; what is known as thermal shock. Meanwhile, does anyone really understand how polarising filters work at the molecular level?

What with Cape Town, Soul Survivor, Micklepage, JCU and Mentoring I'm afraid packing and pinhole cameras have taken a back seat (if such things are capable of occupying this position).  Invested in new (and hopefully improved) plug in mosquito killer +a bike pump today. Guess which is going to the Gambia?