Earth Science Connect: Earth History
Exam Questions & Answers (Grade
A+)
What is isotopic dating? -
correct answer ✅Dating rocks using the knowledge of decay rates
of radioactive elements and the measurement of ratios of parent to
daughter atoms
Match the isotope:
Carobn 14
K-ar
Rb-Sr -
correct answer ✅1. Bones and wood
2. Cenozoic an Mesozoic volcanic rocks
3. Granites that are billions of years old
The periods of the geologic timescale are named after regions in
Europe. For example ___________ is derived from Cambria, and
________ is derived from the Jura Mountains. -
correct answer ✅Cambrian
Jurassic
Exam Questions & Answers (Grade
A+)
What is isotopic dating? -
correct answer ✅Dating rocks using the knowledge of decay rates
of radioactive elements and the measurement of ratios of parent to
daughter atoms
Match the isotope:
Carobn 14
K-ar
Rb-Sr -
correct answer ✅1. Bones and wood
2. Cenozoic an Mesozoic volcanic rocks
3. Granites that are billions of years old
The periods of the geologic timescale are named after regions in
Europe. For example ___________ is derived from Cambria, and
________ is derived from the Jura Mountains. -
correct answer ✅Cambrian
Jurassic
