
AQA A-level Physics Option B lesson on magnetic resonance (MR) imaging. 13 editable slides, 24-mark worksheet and mark scheme.
What’s in the PowerPoint
• A recap starter, with answers in the speaker notes
• Spin and precession, with a diagram
• How gradients and RF pulses build an image
• Controlling contrast
• Advantages and disadvantages of MR, and a comparison table with ultrasound and X-rays
• A common mistakes slide
• Six check questions with answers, and an exit ticket
• Teacher notes in the speaker notes throughout
What’s in the worksheet (24 marks)
• Recall and precession frequency calculations
• Explaining gradients, RF pulses and relaxation
• A 6-mark extended answer on how an MR scanner works
• Comparing imaging methods
• A full mark scheme with mark points, on separate pages
Good for
First teaching, revision, homework, cover lessons or independent study. Both files are fully editable in PowerPoint and Word.
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