Hazards of radiation (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
15 cards from this deck
What ionising radiation does to atoms
What ionising radiation does to atoms
Knocks electrons out of atoms
What atoms become when ionised
What atoms become when ionised
Ions
Why ionising radiation is harmful to humans
Why ionising radiation is harmful to humans
It damages our cells
Radiation protection involving time
Radiation protection involving time
Limit time of exposure
Protective clothing for radiation work
Protective clothing for radiation work
Lead apron
Why lead is effective against radiation
Why lead is effective against radiation
Very dense and stops radiation
Radiation protection involving distance
Radiation protection involving distance
Increase distance from source
Tool to handle radioactive sources safely
Tool to handle radioactive sources safely
Tongs
Purpose of film badges
Purpose of film badges
Measure radiation exposure
Relationship between half-life and danger
Relationship between half-life and danger
Greater half-life = longer dangerous period
Where alpha particles are most dangerous
Where alpha particles are most dangerous
Inside the human body
Why gamma rays are less dangerous inside body
Why gamma rays are less dangerous inside body
Pass through without causing much harm
Peer review definition
Peer review definition
Scientists publish findings for others to check
Two safety measures in dental X-rays
Two safety measures in dental X-rays
Leave room (distance) & short exposure (time)
What dose means in radiation
What dose means in radiation
Amount of energy the body receives