Geological Dating and Radioactivity Quiz

What is the numerical age in years of a rock or object called?

• Geological age

• Relative age

• Radiometric age

• Absolute age

What is the release of energy from unstable atoms known as?

• Radioactivity

• Fission

• Decay

• Fusion

Tags

NGSS.HS-PS1-8

What are atoms of the same element with different numbers of neutrons called?

• Ions

• Compounds

• Isotopes

• Molecules

What is the process by which an unstable element naturally changes into a stable element?

• Chemical reaction

• Nuclear fusion

• Ionization

• Radioactive decay

Tags

NGSS.HS-PS1-8

What is the time required for half of the parent isotopes to decay into daughter isotopes called?

• Isotope period

• Half-life

• Decay time

• Radioactive interval

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NGSS.HS-PS1-8

Which isotope is used to determine the ages of human artifacts or things that were once living?

• Thorium-232

• Potassium-40

• Uranium-238

• Carbon-14

Which isotope is useful for dating rocks, such as lava, whose age is between a million and a billion years?

• Carbon-14

• Potassium-40

• Uranium-235

• Rubidium-87

Tags

NGSS.HS-PS1-8

Which isotope is used to date very old rocks and minerals, particularly those found in the Earth's crust?

• Uranium-238

• Carbon-14

• Strontium-87

• Potassium-40

What is the isotope that undergoes radioactive decay called?

• Neutral isotope

• Stable isotope

• Daughter isotope

• Parent isotope

Tags

NGSS.HS-PS1-8

What is the stable product of radioactive decay called?

• Stable isotope

• Parent isotope

• Daughter isotope

• Neutral isotope

Tags

NGSS.HS-PS1-8