Vocabulary
A gradual increase in the average temperature of Earth’s climate system.
A) Global Warming
B) Green House Gases
C) Fossil Fuels
Global Warming
The mean surface temperature of Earth’s surface is currently ____________________.
Increasing
What is the evidence of global climate change?
The icebergs in the North Pole have been shrinking.
The Ocean level has been rising
Increased frequency of severe weather
Natural fuel formed from the remains of living organisms
A) Global Warming
B) Green House Gases
C) Fossil Fuels
Fossil Fuels
The main human activity that has affected Earth’s climate is the burning of _________________.
Fossil Fuels
Why are scientists so concerned about rising levels of CO2?
It can trap heat
Gases that trap the energy of the Sun and hold the heat it creates close to Earth.
A) Global Warming
B) Green House Gases
C) Fossil Fuels
Green House Gases
Scientists are using _______________to study the possible causes and effects of Earth’s increased temperature.
Simulations
Which human activity has contributed the greatest amount of greenhouse gases during this time period?
Answers may vary.
The burning of fossil fuels by industry,
transportation,