History of Earth's Climate
About how long ago did the Earth begin to form?
4.6 billion years ago (4-5 billion years ago counted correct)
True or False: Earth's yearly global average temperature has increased since 1880.
True
Changes in the_________ have affected climate throughout Earth's history.
location and shape of Earth's land masses
Coal, oil, and natural gas are _______ fuels.
fossil fuels
There have been two mass extinctions in Earth's history. Why?
Either volcanic eruptions or giant asteroid accepted as answers.
El Nino primarily affects what two continents?
North America and South America
About every ______ years, the sun goes through a cycle in which the energy it gives off increases and decreases.
11 (8-14 accepted as correct)
What is a more scientific word for the burning of fossil fuels?
combustion
Evidence of Earth's past climate can be found in what?
ice cores, rocks, fossils, sediment, tree rings
In which year was the global average temperature higher - 1953 or 1963?
1953
What scientific agency is abbreviated IPCC?
Intergovernmental Panel on Climate Change
The Industrial Revolution - which as a result added carbon dioxide to the atmosphere - started in which country?
Great Britain (UK is accepted as correct)
Earth is currently in a warm period of the Current Ice Age. About when did the Current Ice Age start?
2.6 Million Years Ago
Overall, Earth has warmed by more than ____ degrees Celsius since 1880.
.9 degrees Celsius (Any answer from .7 C to 1.1 C accepted as correct)
The permanent removal of forests by humans to make land available for other uses.
deforestation
What year did the Industrial Revolution start?
1760
The Snowball Earth Periods were about how many years ago?
717-630 million years
The graph on page 178 was produced by NASA's GISS. The "G" stands for "Goddard." What does ISS stand for?
Institute for Space Studies
Humans have increased the amount of carbon dioxide in the air by about what percentage since 1880?
33% (30-40% accepted as correct)
About how many people live on Earth today?
7 billion (6-8 billion accepted as correct)