--- title: "Blog Author: D Grey" url: "https://alstonmoorfederation.org.uk/blog/author/dgrey" school: "Alston Moor Federation" --- # Blog Author: D Grey [![Image of Microbe required practical](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/7465aa06-4117-4382-834f-1d28062c9560.jpg)](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-13-microbe-required-practical) 28 October 2026 #### [Microbe required practical](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-13-microbe-required-practical) Key stage 4 students on the triple GCSE course setting up for their microbe required practical. Should be fun to see what cleaners kill off the fungus we will be growing. [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-13-microbe-required-practical) [![Image of DofE team 2](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/ade45f54-8e85-4dfc-a780-7f7121af2db3.jpg)](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-11-dofe-team-2) 28 October 2026 #### [DofE team 2](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-11-dofe-team-2) [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-11-dofe-team-2) [![Image of DofE team 1](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/03af45e3-4e57-4609-a9ea-33fd8ed6f4fd.jpg)](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-09-dofe-team-1) 28 October 2026 #### [DofE team 1](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-09-dofe-team-1) Well done to everyone in getting through their DofE expedition in October. [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-10-28-15-09-dofe-team-1) [![Image of The affect of surface area on diffusion - end](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/Picture_9.jpeg)](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-33-the-affect-of-surface-area-on-diffusion-end) 30 September 2026 #### [The affect of surface area on diffusion - end](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-33-the-affect-of-surface-area-on-diffusion-end) [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-33-the-affect-of-surface-area-on-diffusion-end) [![Image of The affect of surface area on diffusion - stage 3](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/Picture_7.jpeg)](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-3) 30 September 2026 #### [The affect of surface area on diffusion - stage 3](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-3) [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-3) [![Image of The affect of surface area on diffusion - stage 2](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/Picture_3.jpeg)](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-2) 30 September 2026 #### [The affect of surface area on diffusion - stage 2](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-2) [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-09-30-10-32-the-affect-of-surface-area-on-diffusion-stage-2) [![Image of The affect of surface area on diffusion - start](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/Picture_1.jpeg)](https://alstonmoorfederation.org.uk/blog/2026-09-30-09-54-the-affect-of-surface-area-on-diffusion-start) 30 September 2026 #### [The affect of surface area on diffusion - start](https://alstonmoorfederation.org.uk/blog/2026-09-30-09-54-the-affect-of-surface-area-on-diffusion-start) Year 10 looked at the affect of surface area on the rate of diffusion. These pictures show the same volume cubes of pink alkali agar cut up so they have different surface areas. They were then place in acid, which diffuses into the agar and neuralises the alkali making it clear. You can see the… [Continue reading](https://alstonmoorfederation.org.uk/blog/2026-09-30-09-54-the-affect-of-surface-area-on-diffusion-start) [![Image of Acids and alkalis](https://files.schudio.com/alston-moor-federation-2/imagecache/1440x880c/blog/Red_Cabbage_indicator.jpeg)](https://alstonmoorfederation.org.uk/blog/2026-09-30-09-49-acids-and-alkalis) 30 September 2026 #### [Acids and alkalis](https://alstonmoorfederation.org.uk/blog/2026-09-30-09-49-acids-and-alkalis) On Tuesday, Year 8 made an indicator out of red cabbage. Can you guess which is beaker contains the acid and which the alkali? 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