Unit Test: Radiation & Nuclear Reactions

Front

What is Carbon-14 used for?

Back

Carbon-14 is used for radiocarbon dating to determine the age of organic materials up to about 50,000 years old.

Front

What happens to Carbon-14 in living organisms?

Back

Carbon-14 is absorbed by living organisms during their lifetime, but after death, it begins to decay at a known rate.

Front

What is the half-life of Carbon-14?

Back

The half-life of Carbon-14 is approximately 5,730 years.

Front

What is Nuclear Fusion?

Back

Nuclear Fusion is a reaction where two different isotopes combine to form a single new isotope, releasing energy.

Front

What is Nuclear Fission?

Back

Nuclear Fission is a reaction where a heavy nucleus splits into two or more lighter nuclei, along with the release of energy.

Front

What type of radiation can be stopped by paper?

Back

Alpha particles can be stopped by paper.

Front

What type of radiation can penetrate human skin?

Back

Beta particles can penetrate human skin but can be stopped by a few millimeters of plastic.

Front

What is Gamma Radiation?

Back

Gamma radiation is a high-energy electromagnetic radiation that can penetrate most materials and requires dense materials like lead for shielding.

Front

What is the common element found in all living things?

Back

Carbon is the common element found in all living things.

Front

What is radioactive decay?

Back

Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation.