Indiana Science HS-PSII-10.5
The Standard
Know and describe how a particle accelerator functions and how current high energy particle physics experiments are being used to develop the Standard Model.
Indiana Academic Standards for Science (2023) · Modern Physics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students explain how electric fields speed up charged particles, magnets steer them, and detectors record collision results. They describe how physicists use those results to test predictions about particles.
What Mastery Looks Like
- Given an accelerator diagram, a student can show where particles gain energy, turn, and collide. They can explain why physicists need many similar collision results before claiming evidence for a predicted particle.
Common Misconceptions
- Students may think magnets speed particles up or that detectors photograph short-lived particles directly. They may also think one collision proves a particle exists.
How to Assess It
- Give students a simple accelerator diagram. Ask them to label the parts that speed up particles, steer them, and record collision results, then explain why one collision is not enough to confirm a predicted particle.
Lesson moves
Ways to Teach It
Lay a tape ring on the floor; students carry proton cards, speed up at electric-field signs, and turn at magnetic-field signs.
Show two photon paths from a collision; ask what their measured energies and directions might reveal about a short-lived particle.
Play a card match game pairing electric fields, magnets, and detectors with their jobs in an accelerator.
Project a CERN collision-event display; students circle recorded tracks and explain why physicists compare many events with particle predictions.
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Related Standards
- HS-PSII-9.2
Explain how electromagnetic waves interact with matter both as particles (i.e., photons) and as waves and be able to apply the most appropriate model to any par...
- HS-PSII-10.1
Describe the Standard Model and explain the composition and decay of subatomic particles using the Standard Model and Feynman diagrams.
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