Geologic Time Scale
Question: How old is the Earth?
Answer: About 4.6 billion years.
Question: What is the outermost layer of the Earth called?
Answer: The crust.
Question: What are the large moving pieces of the lithosphere called?
Answer: Tectonic plates.
Question: Name the three main solar climate zones.
Answer: Polar, temperate and tropical.
Question: Which pole is in the Arctic?
Answer: The North Pole.
Question: In which era did dinosaurs live?
Answer: The Mesozoic.
Question: Which layer of the Earth is very thick and made of hot rock?
Answer: The mantle.
Question: What is formed when two continental plates collide?
Answer: High fold mountains.
Question: Which climate has mild winters, cool summers and rain all year?
Answer: Marine climate.
Question: What is the Antarctic: an ocean or a continent?
Answer: A continent.
Question: In which era did Pangea form and black coal develop?
Answer: The Paleozoic.
Question: What do we call the crust and the solid upper mantle together?
Answer: The lithosphere.
Question: What happens when a continental and an oceanic plate collide?
Answer: Deep sea trenches, volcanoes and mountain ranges are formed.
Question: Which climate has a rainy season and a dry season, with zebras and lions?
Answer: Savannah climate.
Question: What are the red and green lights sometimes seen in the polar sky called?
Answer: The aurora.
Question: Which era saw the breakup of Pangea and the first birds?
Answer: The Mesozoic.
Question: What is the softer layer on which tectonic plates move?
Answer: The asthenosphere.
Question: What happens when two oceanic plates collide?
Answer: Volcanic island arches and deep sea trenches are formed.
Question: What is the climate of Hungary?
Answer: continental climate
Question: Name two peoples who live in the Arctic and say where they live.
Answer: Any two: Sami – northern Scandinavia; Yugyts/Nenets – Siberia; Inuit – Canada.
Question: Match the events with their eras: first one-celled organisms; dinosaurs; first humans.
Answer: Precambrian; Mesozoic; Cenozoic Quaternary.
Question: Name the Earth's four main layers from the outside to the centre.
Answer: Crust, mantle, outer core, inner core.
Question: What happens along the ocean floor when two plates move apart from eachother?
Answer: Underwater mountain chains are formed.
Question: Which climate is described? It is mainly in India, with a dry winter, dry spring and very wet summer.
Answer: Tropical monsoon climate.
Question: Who reached the South Pole in December 1911, and which British explorer arrived later?
Answer: Roald Amundsen; Robert Scott.