Learning objective

Explain the negative impacts of excessive exposure to electromagnetic radiation on humans, including: (a) ultraviolet radiation causing skin cell damage and eye issues, potentially leading to skin cancer and eye conditions; (b) X-rays and gamma rays causing mutations or damage to body cells.

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Exam focus

Cambridge IGCSE Combined ScienceWavesCore content

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Quick explanation

This point belongs to Electromagnetic spectrum, especially Electromagnetic spectrum outcomes.
You need to be able to explain the negative impacts of excessive exposure to electromagnetic radiation on humans, including: (a) ultraviolet radiation causing skin cell damage and eye issues, potentially leading to skin cancer and eye conditions; (b) X-rays and gamma rays causing mutations or damage to body cells.
The key ideas to know are Describe, Discuss, and Evaluate.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeDiscussEvaluate

Why it matters

This objective helps connect Electromagnetic spectrum outcomes to exam-style questions, flashcards, and revision notes for Electromagnetic spectrum.

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Practice Questions7 linked questions

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Paper 3Theory (Core)3 marks

Description

Electromagnetic radiation includes UV rays, X-rays, and gamma rays, each having different impacts on human health.

a
Explain the negative impacts of excessive exposure to UV radiation and X-rays on human health.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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