Climate Change 1
What gasses trap the sun's heat?
greenhouse gasses
True or False: Climate change refers to SHORT-TERM fluctuations in weather patterns.
False. Climate change refers to LONG-TERM shifts in global or regional climate patterns.
What is climate change?
a change in global or regional climate patterns
What process naturally removes carbon dioxide from the atmosphere.
photosynthesis
The dying out or disappearance of a species from Earth.
What is extinction?
As the temperature of the planet increases, ice trapped on land begins to melt, and causes...
What is rising sea levels?
Which two green house gases contribute the most to global warming?
Carbon dioxide and Methane
What are 3 examples of fossil fuels?
Oil, coal and gas
List two things that are evidence of global climate change?
1. rising global temperatures
2. melting ice caps and sea level rise
3. More severe storms
4. Ocean acidification
What is one way to reduce the human impacts on the biosphere?
•Reforest and afforest to rebuild ecosystems
•Use sustainable farming to protect soil and water
•Establish marine protected areas to safeguard aquatic life
•Control invasive species and restore native habitats
•Support conservation programs for endangered species and ecosystems
animals do this when leave their home to move to another place for a period of time in search of food, warmer conditions or a place to shelter and breed.
What is migrate?
How do green house gases cause the Earth's temperature to rise?
They absorb the sun's radiation and trap heat
These are three types of greenhouse gases.
What are carbon dioxide, methane, and ozone?
What would be Earth's temperature without green house gases?
Earth's temperatures would be cold, oceans would freeze
All of the radiation from the sun is absorbed by the Earth.
True or False
False
What is the greenhouse effect?
Certain gasses in the atmosphere trap heat and warm the Earth
What historical event in the 1800s caused average global temperatures to increase drastically?
The Industrial Revolution
Burning these contributes to global warming.
Burning fossil fuels
How can global warming cause sea levels to rise?
Melting glaciers and ice caps and thermal expansion of liquids.
What is one way to reduce the human impact on the atmosphere?
•use of renewable energy sources
•use of more energy efficient technologies
•promotion of the use of public transport
•introduce emission limits and support cleaner industrial technologies
•reduce the use of ozone-depleting substances
Name the Earth's four spheres and which part of the Earth they relate to.
Geosphere - rocks and soil
Atmosphere - gases
Hydrosphere - all forms of water
Biosphere - all living things
What do we call the act in cutting down trees and other shrubbery.
deforestation
The average weather for a region over a long period of time is. _______________.
Climate
What is one natural cause of climate change?
Changes in the Earth’s Orbit and Rotation
Variations in Solar Activity
Changes in the Earth’s Reflectivity
Volcanic Activity
What are 3 indicators of global warming?
Global Temperature Is Rising
The Ocean Is Getting Warmer
The Ice Sheets Are Shrinking
Snow Cover Is Decreasing
Glaciers Are Retreating
Sea Level Is Rising
Extreme Events Are Increasing in Frequency
Ocean Acidification Is Increasing