What did scientists discover about DNA through radiation?
That radiation can damage DNA.
What is the name of the treatment that uses radiation to kill cancer cells?
Radiotherapy.
What happened to many people right after the explosion?
They lost their hair, had burns, and felt very weak.
In what year were atomic bombs used for the first time?
1945.
What did scientists do after World War II?
They studied how radiation affects the human body.
How many main types of radiotherapy are there?
Two: external and internal.
What diseases appeared years after the bombings?
Cancer and other health problems.
What two cities were attacked with atomic bombs?
Hiroshima and Nagasaki.
What is the connection between the atomic bomb and modern medicine?
The studies of radiation led to treatments like radiotherapy.
Why can radiation kill cancer cells but not healthy ones?
Because healthy cells can repair themselves, but cancer cells cannot.
Why did radiation stay dangerous after the explosion?
Because it remained in the environment for a long time.
Which country dropped the bombs?
The United States.
Why is it important to control the use of radiation?
Because it can be very dangerous if not used correctly.
What other medical technologies use radiation?
X-rays and CT scans.
What parts of the body can radiation damage?
Cells and DNA.
What kind of reaction happens inside an atomic bomb?
A nuclear chain reaction.
What should governments and scientists do today regarding radiation?
Keep studying it and use it safely to avoid harm.
Besides treatments, what else is radiation used for in hospitals?
To sterilize medical instruments and kill germs.
What did scientists learn by studying the effects of radiation?
That it can destroy cells, which helped create medical treatments.
Name the two main elements used in atomic bombs.
Uranium and plutonium.