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Control Rod

Contents

Key Stage 4

Meaning

A control rod is a cylindrical object used in nuclear fission reactors to slow or stop the nuclear reaction.

About Control Rods

Control rods are usually made of Boron because it is able to absorb the neutrons easily.
Control rods can be inserted or removed from the nuclear reactor to block the neutrons released by one fuel rod from reaching another fuel rod.

References

AQA

Control rod, boron, page 129, GCSE Physics; Student Book, Collins, AQA
Control rods, page 140, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
Control rods, page 49, GCSE Physics; The Revision Guide, CGP, AQA

Edexcel

Control rods, page 174, GCSE Physics, CGP, Edexcel