[DOC] [TLE] Greenhouse Effect: Background Material [PAR] The earth's atmosphere contains trace gases, some of which absorb heat. ... 
cover, color of the surfaces inside the greenhouse, and type of surfaces inside. ... 
that our planet orbits at just the right distance from the sun to absorb just the right 
... solar radiation before it penetrates to the surface, but the atmosphere is quite... [DOC] [TLE] The Greenhouse Effect | A Student's Guide to Global Climate ... [PAR] Mar 3, 2016 ... If it were not for greenhouse gases trapping heat in the atmosphere, the Earth 
would be a very cold place. Greenhouse gases keep the Earth warm through a 
process called the ... The Earth gets energy from the sun in the form of sunlight. ... 
But before all this radiation can escape to outer space, greenhouse... [DOC] [TLE] What is the greenhouse effect? | What's Your Impact [PAR] But as this heat goes up through the atmosphere, some of it is trapped by the 
different greenhouse gases and doesn't escape into space. ... The amount of 
greenhouse gases in our atmosphere is the highest it has been in the last ... If 
you open the door of a car that has been left parked in the sun for a couple of 
hours, you'll... [DOC] [TLE] NASA's Climate Kids :: What is the greenhouse effect? [PAR] During the day, the Sun shines through the atmosphere. ... But some of the heat 
is trapped by the greenhouse gases in the atmosphere. That's what keeps our 
Earth a warm and cozy 59 degrees Fahrenheit, on average. ... Greenhouse effect 
of Earth's atmosphere keeps some of the Sun's energy from escaping back into... [DOC] [TLE] The Greenhouse Effect [PAR] Sun s radiation  absorbed by Earth  Re-radiated to space as heat ... into the 
lower atmosphere and onto the surface of Earth and is converted to heat, but then 
... Due to the presence of certain  greenhouse gases  that trap heat, like carbon 
... At this temperature, our planet radiates a quantity of heat into space that is... [DOC] [TLE] atmosphere - National Geographic Society [PAR] Oct 7, 2011 ... Scientists say many of the gases in our atmosphere were ejected into the air by 
early volcanoes. ... out most ultraviolet radiation while letting in the sun's warming 
rays. ... Their outer layers burn as they race through the mesosphere, but ..... to 
enter Earth's atmosphere but make it difficult for heat to escape. [DOC] [TLE] Space Weather: Sunspots - Space.com [PAR] Feb 2, 2015 ... Space Weather: Though the sun is 93 million miles from Earth, its ... assures an 
impact on our planet beyond the obvious light and heat. ... But don't let the 
numbers fool you. ... As solar flares push through the corona, they heat its gas to 
... can cause long-lasting radiation storms in the upper atmosphere,... [DOC] [TLE] Global Warming FAQ | Union of Concerned Scientists [PAR] And because less heat is escaping into the higher atmosphere, it is likely cooling. 
... There are many heat-trapping gases (from methane to water vapor), but CO2 
puts ... propose using atmospheric aerosol particles to reflect the sun's energy 
away ... The term 'ozone hole' refers to recent depletion of this protective layer 
over... [DOC] [TLE] A Cheap and Easy Plan to Stop Global Warming [PAR] Feb 8, 2013 ... Intentionally engineering Earth's atmosphere to offset rising temperatures ... The 
idea of using sulfate aerosols to offset climate warming is not new. ... actually 
help [reverse the warming] in our lifetime is in fact geoengineering. ... warming 
was to lower emissions of greenhouse gases, but he concluded that... [DOC] [TLE] Energy From the Sun - The NEED Project [PAR] radiant energy is absorbed by the atmosphere and is transformed into heat ... The 
Earth absorbs some of this heat, but most of the heat flows back into the air. ... 
escapes back into space. ... A passive solar home is designed to let in as much 
sunlight as ... through the glass, hits the inside of the car and changes

Question: Colorful term for the gases in our atmosphere that let the sun's rays through but stop the heat from escaping
Answer: greenhouse gases