radiation
What is the unit used to measure ionizing radiation?
Gray
Which type of radiation has the highest energy?
Gamma rays
What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?
Radioactive decay
Which of the following is a common source of natural background radiation?
Uranium in soil
What is the main health risk associated with exposure to high levels of radiation?
Cancer
Which type of radiation can be stopped by a sheet of paper?
Alpha particles
What is the process of using radiation to kill cancer cells called?
Radiation therapy
Which of the following is not a form of electromagnetic radiation?
Neutrons
What is the main source of man-made radiation exposure for most people?
Medical imaging
Which type of radiation is commonly used in smoke detectors?
Alpha particles