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with mr mackenzie
We finished the Energy Matters topic last week. Here are some notes with worked examples to show how we calculate the heat energy required t...
We finished the transport section with a look at Work, Potential & Kinetic energy.  Those of you aiming for Credit need to carry ou...
Here are some videos on balanced and unbalanced forces affecting the motion of objects. The first clip examines the forces on a cyclist as s...
We’ve been learning about forces in class and today we looked at how car seatbelts use forces to keep us safe. Mr Mallon’s HelpM...
Your homework exercise on resistance is attached as a pdf document. Download the file and answer the questions in your homework jotter. Hand...
We’ve examined the operation of a Geiger-Müller counter as part of the radiation topic. image by Theresa Knott The Geiger-Müller (GM)...
Last week, the BBC broadcast a Horizon programme about new cancer treatments being trialled at the Royal Marsden Hospital in London. The doc...
Radiotherapy is one method doctors can use to treat cancer. Radiotherapy can be performed without surgery and avoids the side effects that a...
X-rays are a form of electromagnetic radiation. They have a much higher frequency than visible light or ultraviolet. The diagram below, take...
We spent some time looking at the physics of ultraviolet radiation last week. image courtesy of sonrisaelectrica The section of the electrom...