Radioactivity and Half-Life Quiz

Daughter atom

• the original, unstable radioactive element

• stable atom that results from the decay of a radioactive atom

• The time it takes for one half of the radioactive atoms in a sample to decay

Tags

NGSS.HS-PS1-8

parent atom

• the original, unstable radioactive element

• the time it takes for one half of the radioactive atoms in a sample to decay

• a subatomic particle that has no charge and is located in the nucleus

Tags

NGSS.HS-PS1-8

What is decay?

• a subatomic particle that has no charge located in the nucleus of an atom

• a stable atom that results from a radioactive atom

• a process in which a radioactive atom releases particles and energy

Tags

NGSS.HS-PS1-8

What is a Geiger counter?

• an instrument that uses sonar to bounce sound waves off the ocean bottom

• an instrument that measures vibrations in the ground

• an instrument that detects the particles emitted or given off by decaying atoms

Tags

NGSS.HS-PS1-8

What is an isotope?

• one of several forms of the same atoms; same number of protons but have different number of neutrons

• a particle that has no charge and is located in the nucleus of an atom.

• energy in the form of waves or particles that is emitted from an object and travels through space or air

Tags

NGSS.HS-PS1-8

What is the Law of Superposition used for?

• to tell the absolute age of a rock or fossil

• to tell the relative age of a rock or fossil based on where it is in the strata

• to tell that all rocks and minerals are super

Tags

NGSS.MS-ESS1-4

What is radiometric dating used for ?

• to tell absolute age of a rock or fossil

• to tell the relative age of a rock or fossil

• a way to tell the age of materials based on measuring radioactive atoms and daughter atoms

Tags

NGSS.HS-PS1-8

What is a half-life?

• the time required for one half of the radioactive atoms in a sample to decay

• the time required for one third of the radioactive atoms in a sample to decay

Tags

NGSS.HS-PS1-8

When the radioactive atoms in a sample decay by half...

• alpha decay

• Beta decay

• half-life

Tags

NGSS.HS-PS1-8

What is the energy that are waves or particles that are given off from an object?

• radiation

• decay

• radiometric dating

• isotope

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS4-3