Year 10 Science Lessons
In Year 10 boy’s Chemistry lesson they investigated how surface area affects the rate of reaction by measuring the decreasing mass of large and small marble chips in hydrochloric acid. In case you didn't know - the greater the surface area, the quicker the reaction!
Year 10 in Biology were investigating how the distance of diffusion pathway affects the rate of diffusion. They did this by timing how long the bright pink colour of phenolphthalein indicator took to disappear from different size cubes of agar when immersed in hydrochloric acid.
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