Has anyone made filled syringes to show compression with solid, liquid and gas? I am not sure what glue to use to seal the end of the syringe. Is superglue any good? or maybe a sealant of some sort? thanks.
Has anyone else noticed the quality of Magnesium ribbon has diminished over the last few years? It tarnishes very quickly and will not light. We keep it as airtight as possible in between use. Someone suggested cleaning it with sandpaper? is that safe and does it work?
Hi, we are getting lots of requests for oxygenating plants but we cannot find a good supplier. We have purchased it from the local aquatics shop in the past and it has been in a very poor state. We have also ordered it from an online source but when it gets delivered, it gets left in the...
I have never heard of algae balls, are they good at demonstrating photosynthesis? Do they fit in with AQA schemes of learning because I have only come across using Elodea etc for photosynthesis. Thanks
We get lots of requests for Elephant's toothpaste. We have tried so many ways to do it and none of them work well. Does anyone have a tried and trusted method that is impressive like the U tube videos please?
Does anyone have any tips for cutting zinc sheet metal into small pieces for displacement reactions? It is quite tough to cut. Do you use tin snips and what type, if you do? Scissors will work but the zinc often cuts the fingers. Thanks
We work at an academy in the Walsall borough. On previous years (last 16 years) we have been given Christmas eve off as a bank holiday as well as Christmas day, Boxing day and New years day. This year we have new admin staff who know little about it and are assuming we will not get it. Do any of...