WorksheetsSafety with Radioactive Sources
Total questions: 24
Worksheet time: 12mins
Why should radioactive sources never be touched directly with your hands?
They are hot
They could contaminate your skin
They are very sharp
They smell bad
What is the correct hazard symbol for radioactive sources?
Which of the following pieces of apparatus is a perspex screen?
Which of the following pieces of apparatus is a lab coat?
Which of the following pieces of apparatus are tongs?
What should you always use to handle a radioactive source?
Gloves
Tongs/forceps
Bare hands
Magnets
Why should radioactive sources be stored in a lead-lined box?
To stop them being stolen
To absorb radiation
To keep them dry
To make them easier to carry
Which type of radiation is most dangerous if it gets inside the body?
Alpha
Beta
Gamma
X-rays
If a radioactive source is accidentally dropped, what should you do?
Pick it up quickly yourself
Tell the teacher immediately
Leave the classroom at once
Kick it to the side
What does the symbol ☢️ mean?
Flammable material
Radioactive hazard
Electrical hazard
Biohazard
Where might you see the radioactive hazard symbol in school?
On the fire extinguisher
On radioactive source storage boxes
On the first aid kit
On the classroom door
Why should you spend as little time as possible near a radioactive source?
To avoid boredom
To reduce your exposure to radiation
To avoid making noise
To keep the area tidy
Where should pupils stand during a teacher’s demonstration with a radioactive source?
As close as possible to see better
At a safe distance as instructed by the teacher
Outside the classroom
Next to the teacher
Why are radioactive sources kept in locked cupboards when not in use?
To keep them dry
To prevent unauthorised access and ensure safety
To make them easy to find
To keep them warm
How does increasing the distance between you and a radioactive source reduce your risk?
It makes the source less radioactive
Radiation intensity decreases with distance
It makes you immune to radiation
It changes the type of radiation
Which of the following is NOT a correct safety precaution when handling radioactive sources?
Using tongs or forceps
Wearing a lab coat
Eating or drinking near the source
Storing sources in a lead-lined box
What is the main reason for using lead to shield radioactive sources?
Lead is cheap
Lead absorbs radiation effectively
Lead is easy to carry
Lead is transparent
Which of the following is the best way to minimise your exposure to radiation?
Increase time spent near the source
Decrease distance from the source
Use shielding, increase distance, and reduce time
Ignore safety instructions
If you suspect you have been contaminated by a radioactive source, what should you do first?
Ignore it
Wash the affected area and inform your teacher
Leave the school immediately
Tell your friends
Which of the following is NOT a type of ionising radiation?
Alpha
Beta
Gamma
Infrared
What is the main risk of ingesting or inhaling alpha-emitting substances?
They cause burns on the skin
They can damage internal organs and tissues
They make you radioactive
They cause headaches
Why is it important to report any damage to radioactive source containers immediately?
To avoid getting in trouble
To ensure no radiation leaks and everyone stays safe
To keep the classroom tidy
To impress the teacher
Which of the following best describes the relationship between distance and radiation exposure?
Exposure increases as distance increases
Exposure decreases as distance increases
Distance has no effect on exposure
Exposure is only affected by time
What is the correct equation to show how radiation intensity changes with distance from a point source?
I∝d
I∝d21
I∝d2
I∝d1
