Well, we have been locked down for a week now. We are not posting individual lessons on this site this time as we are delivering live lessons on-line. Please follow the topics to see supporting material.
With year 11, a quick recap on the factors affecting rates of reaction. These two demonstrations showed clearly that a higher concentration of hydrogen peroxide gives a faster reaction (elephant’s toothpaste).
Then we added zinc to a high concentration acid (orange balloon) and a low concentration of acid (red balloon) and waited for the hydrogen gas to form. Once again, high concentration filled up first.
At the end of the school year, despite not being able to meet any of the new students coming up to our school because of the lockdown restrictions, I challenged them to capture images of the night sky. Here are my first . The comet Neowise, images taken 20th July 2020 from my garden in North staffordshire.
You can now mark all of your own work by following the answers that have been uploaded on YouTube. Please watch both the higher and foundation videos as they will have content that overlaps.