Dangers of High-Energy EM Waves (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Examples of high-energy EM waves
Examples of high-energy EM waves
X-rays and gamma rays
What ionisation means
What ionisation means
High-energy waves knock electrons off atoms
How ionisation affects body cells
How ionisation affects body cells
Can harm cells
How ionisation affects DNA
How ionisation affects DNA
Can cause problems with DNA (code that makes up genes)
Health risk from cell damage by high-energy radiation
Health risk from cell damage by high-energy radiation
Can lead to cancer
What cancer is
What cancer is
Cells growing uncontrollably
When acute radiation sickness occurs
When acute radiation sickness occurs
Large dose of radiation all at once
How severe can acute radiation sickness be?
How severe can acute radiation sickness be?
Can be life-threatening
What high-energy radiation can damage genetically
What high-energy radiation can damage genetically
Genes (instructions body uses to grow and stay healthy)
Impact of damaged genes in eggs/sperm
Impact of damaged genes in eggs/sperm
Health problems for future generations
How doctors keep X-ray exposure safe
How doctors keep X-ray exposure safe
Limit the exposure
Protective measures against too much radiation
Protective measures against too much radiation
Special shields and techniques