Extra TopicsAQA

Background Radiation

Revise Background Radiation in Extra Topics for GCSE Physics with 13 exam-style questions and 12 flashcards. Use the notes, sample questions, and flashcards below to connect this topic to the rest of your GCSE revision plan.

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The Radiation You Can't Escape

Introduction 2

Sources of Background Radiation

Deep Dive 3

Measuring Background Radiation and Correcting for It

Deep Dive 4

Why Radon is the Biggest Risk

How It Works 5

Factors That Affect Background Radiation Dose

Comparison 6

Key Terms

Definitions 7

Key Facts

Key Facts 8

Common Misconceptions

Misconceptions 9

Memory Aids

Memory Aid 10

Exam Focus — Background Radiation

Exam Focus 11

Exam Tips for Background Radiation

Exam Tips 12

Knowledge Organiser: Background Radiation

Summary

Sample Flashcards

What are cosmic rays?

Radiation from space (from exploding stars) that contributes ~10% of background radiation

What is background radiation?

Low-level radiation that is always present in the environment from natural and artificial sources

Exam questions for Background Radiation

What is background radiation?

A. Radiation produced only by nuclear power stations
B. Low-level ionising radiation that is always present in the environment from natural and artificial sources
C. Radiation that only occurs during nuclear accidents
D. Radiation emitted only by medical equipment

1 markfoundation

Describe two natural sources and one artificial source of background radiation.

2 marksstandard

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