The Earth Flashcards
What is the name of the time period starting 2.588 million years ago to today?
The Quaternary Period
What is the difference between the Quaternary period and the Neogene period?
They earth is warmer now in the Quaternary period
How long did the Neogene period last for?
21.4 million years
How long do glacial periods roughly last?
100,000 years
How long do interglacial periods roughly last?
8000 - 12,000 years
There has been a cycle between glacial and interglacial periods over the last 300,000 years. What is the difference?
Glacial periods are cold and interglacial periods are about 7 degrees warmer on average
How much warmer has the earth gotten since 1880 according to NASA?
0.8 *C with most of the warming happening since 1970
With no changes to our current behaviour, how much warmer is the earth expected to be at 2100?
4*C more warm
What is the process of the earth’s changing orbit called?
The Milankovitch Cycles
