Hazards of radiation (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What does ionising radiation do to atoms?
What does ionising radiation do to atoms?
Knocks electrons out of atoms
Why is ionising radiation harmful to humans?
Why is ionising radiation harmful to humans?
It damages cells and can alter DNA
How does limiting time help protect against radiation?
How does limiting time help protect against radiation?
Less time exposed means less damage
Why are lead aprons worn for radiation protection?
Why are lead aprons worn for radiation protection?
Lead absorbs much of the radiation
What safety method involves using tongs to handle radioactive sources?
What safety method involves using tongs to handle radioactive sources?
Increasing distance from the source
What are film badges used for?
What are film badges used for?
To measure radiation exposure
How do film badges detect radiation exposure?
How do film badges detect radiation exposure?
Film darkens with more exposure
What does a greater half-life mean for a radioactive source?
What does a greater half-life mean for a radioactive source?
It stays dangerous for longer
When are alpha particles most dangerous?
When are alpha particles most dangerous?
When inside the human body
Why are gamma rays less dangerous inside the body?
Why are gamma rays less dangerous inside the body?
They pass through without much harm
What is peer review in radiation research?
What is peer review in radiation research?
Scientists check each other's work
Which two safety methods are used in dental X-rays?
Which two safety methods are used in dental X-rays?
Distance and limiting time