Geologic Time Scale Quiz

Charlotte and Nora are studying geology. They want to understand what the geologic time scale is used for in their research. What is the geologic time scale used for?

• Mapping the Earth's surface

• Predicting future geologic events

• Measuring the age of fossils

• Organizing geologic time into segments

Sophia is studying the geologic time scale in her Earth Science class. She wants to know which eon is the oldest. Can you help her?

• Archean

• Proterozoic

• Hadean

• Phanerozoic

What major event marks the beginning of the Phanerozoic Eon?

• Appearance of complex multicellular organisms

• Mass extinction

• Origin of life

• Formation of Earth's crust

During a school field trip to the natural history museum, Daniel asked, "Which era is known for the rise of dinosaurs?"

• Precambrian

• Cenozoic

• Mesozoic

• Paleozoic

During a school science project, Luna and Emma were discussing significant events in Earth's history. What significant event occurred at the end of the Cretaceous period?

• First land plants

• Mass extinction

• First mammals

• Formation of Pangaea

Which period is known for the first appearance of reptiles?

• Devonian

• Mississippian

• Permian

• Cambrian

Liam is working on a geology project and needs to identify the symbol for the Cenozoic Era in the GRI GIS data. What is the symbol?

• CZ

• PC

• PZ

• MZ

During a geology class, Charlotte was asked: Which period is part of the Paleozoic Era?

• Cambrian

• Triassic

• Cretaceous

• Jurassic

Liam is studying the history of life on Earth. He wants to know what event is associated with the Devonian period. Can you help him?

• First amphibians

• First flowering plants

• First dinosaurs

• First mammals

During a geology class, Evelyn asked her teacher, "Which epoch is the most recent in the geologic time scale?"

• Miocene

• Pleistocene

• Eocene

• Holocene