Natural Climate Change + Human Activity Flashcards
Define interglacial period
The period where temperatures around the globe are warmer than the average temperatures
Define glacial period
The period when temperatures around the globe where colder than the average temperatures
When was the last Ice age
Around 11 thousand years ago
Name 3 natural causes of climate change and explain what each of them do
- Axial tilt -when the earth s axis changes to 25°every 40 thousand yrs and makes the earth colder/warmer
2.volcanism-when a volcano erupts and the ashes and gasses chases a cooling effect as solar radiation is absorbed and reflected
3.asteroid collisions-when asteroids hit earth the fire will release a lot of co2 in the atmosphere leading to warming
What is thermal expansion
The increase of water due to water being heated up as the particles gain energy and become more spread apart
As human activity causes an increase of global temperature _____ ______ rises also go up
Fill-in the blanks
Sea
Level
Name 3 reasons as to why green house gases have rised due to human activity
.industry
.transport
.energy production
N