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318 C2H6g 847 HFg 2686 NH4NO3s 3651 AgBrs 995 C3H8g 1038 HgOs 907 NiOs 2443 AgCls 1270 nC4H10g 1247 HgSs 582 NOg 904 A. Essential Points. Heat, Temperature and Temperature Scales. The Electromagnetic Spectrum. Composition of the Atmosphere. Layers in the atmosphere are defined by temperature profiles. How pressure varies in the atmosphere. Exploring gas pressure. The pressure of the atmosphere is not the same in all places – it varies with height.. High up a mountain the atmospheric pressure is much lower than at sea level.. In space there is no atmosphere and so there is no pressure.. Lecture 2: . Characteristics of the . atmosphere. Fresh snow… . Feb/06/2016. Some parameters . of Earth. .. Earth’s rotation rate . . Ω . 7.27 × 10. −5. s. −1. Surface gravity . . g . 9.81 ms. NC Essential Standard:. Compare the composition, properties, and structure of Earth’s atmosphere to include: mixtures of gases and differences in temperatures and pressure within layers.. There are . E4.p2X-A,F, I. Characteristics of the Atmosphere. Composition of the Atmosphere. Atmosphere. -mixture of gases around the Earth. 78% Nitrogen-(released from decay/eruptions). 21% Oxygen. 1% Other- (Carbon Dioxide, Argon). Earth’s . protective bubble. NASA accessed via Wikipedia . compared to the size of the Earth (10. 4. km), the atmosphere is a thin shell (120 km).. . Earth’s Atmosphere. http://www.gsfc.nasa.gov/gsfc/earth/pinatuboimages.htm. SUQ. Why is the atmosphere important for humans?. Which gas is the most abundant?. What is the other 1%. ?. Why is each significant?. Co2. Water vapor. Argon. Ozone. What happens to air pressure and temperature as one goes higher in the atmosphere?. Weather. Whether the weather be fine,. Or whether the weather be not,. Whether the weather be cold,. Or whether the weather be hot,. We'll whether the weather. Whatever the weather. Whether we like it or not. II 2017. a. aron.hill@ttu.edu. Weather Is Everywhere. University Studies/Global Studies. Climate change protocols. Fossil fuel consumption/climate change. R. enewable energy reliance. Business/Finance/Marketing/Commerce. Section 11.2 – Properties of the Atmosphere 8 th Grade Earth and Space Science Class Notes Temperature Temperature – measure of the average kinetic energy of the particles in a material Higher the temperature = faster particle movement Properties of the Atmosphere Heat vs. Temperature Temperature – measure of how rapidly or slowly molecules move around. Higher the temperature = faster particle movement Heat - is the transfer of energy that occurs because of a difference in temperature between substances The thickness of our atmosphere is determined by two competing factors. The kinetic energy of the molecules . spreads molecules apart. Gravity . holds molecules near Earth. If it weren’t for gravity t. Average Atmospheric Composition. Permanent. Variable. SOURCE. (to atmosphere). SINK. (removal from atmosphere). N. 2. Fixed by soil bacteria. Fixed by ocean phytoplankton. Lightning. Denitrification by anaerobic . 3. Its structure, composition and dynamics. In last week’s lecture, we focussed on how weather is generated.. The key ingredients are energy and gradients.. Last Week’s Lecture. Incoming energy from the Sun is balanced with outgoing radiative cooling of the Earth, resulting in an equilibrium temperature of about 15 °C. .