Uses of radioactive radiation

Which of the following problems would a scientist most likely use carbon-14 or carbon dating method?

• to calculate the age of the Earth's oldest rocks

• to calculate the age of a piece of bone

• to identify the elements that make up a rock

• to identify the elements that make up a bone

In which field does radioactivity have application in our lives?

• Medicine

• Energy (electricity)

• Agriculture

• All of the above

Carbon-14 dating used the half-life of carbon-14 remaining to provide information about the _______ of a sample.

• purity

• age

• radioactivity

• nuclear stability

What is the use of radioactive materials in medicine?

• oxygen masks

• antibiotics

• tracers

• heat monitors

How does radioactive radiation used to treat cancer cell?

• Radiation is used to stimulate the growth of cancer cells

• Cancer cells are bombarded with radiation and become inactive

• Cancer cells are burned up by radiation

• Radiation melts cancer cells

Radioactivity can be harmful and cause disease because it affects _________.

• air

• water

• cells

• blood

Suggest way a for scientist to protect themselves against exposure when handling radioactive sources.

• Storing sources in a lead–lined box using tongs

• Goggles and gloves

• Tie hair back

What is the name of this symbol?

• Radiactive logo

• Radura logo

• Mandura logo

• Zatura Logo

Radioactive sources or radioactive waste storing can be done in containers with thick ____________ walls.

• Paper

• Aluminium

• Lead

• Glass

Robotic hands are used to

handle radioactive substances

safely.

• True

• False