PPT-1 ATMOSPHERIC PRESSURE & DENSITY

2 The denser the atmosphere the greater its weight and the greater its air pressure 3 atmospheric pressure aka barometric pressure or air pressure the pressure due to the weight of the overlying atmosphere. 1. Phys101 . Lectures . 24-25. Fluids I. Key points:. Pressure and Pascal’s Principle. Buoyancy and Archimedes’ Principle. Ref: 10-1,2,3,4,5,6,7.. The three common phases of matter are . solid. , . What . is an advantage of composites that aids in lowering maintenance costs?. What is a potential disadvantage of composites in a hot climate or conditions?. Describe the care maintainers must utilize with paint strippers on composite materials?. Fluids are a collection of randomly arranged molecules held together by . weak . cohesive forces. This is unlike crystals (solids) which arrange orderly on a lattice). Pressure, Pascal’s law. Buoyant forces and Archimedes Principle. Fri Oct 30 . Today:. . Chapter . 14 (Gases and Plasmas. ). Gases and plasmas: Preliminaries. . Will now apply concepts of fluid pressure, buoyancy, flotation of Ch.13, to the atmosphere. . Main difference . Atmospheric pressure. Pressure. Why do predators often have . SHARP . teeth and claws?. Why does wearing skis stop . you from . SINKING. into the snow? . IGCSE Pressure . Relate pressure to force and area, using appropriate examples . What is “pressure”, what is “density”, and how do we measure them?. Who contributed to our current ideas and theories about pressure?. Where can we see pressure measured on a daily basis?. Important Questions. Mr. Ross Brown. Brooklyn School for Law and Technology. How do we understand the weather?. 4 January 2015. Do now: Take out your Reference Tables.. What is the . dewpoint. when the dry-bulb temperature is 24°C and the wet-bulb temperature is 15°C. Understand the relationship between pressure, force, and area.. Solve problems about pressure.. Investigate the relationship between pressure and depth in a liquid.. Show that air has mass and occupies space.. Lecture 1: Overview & Introduction. Dawn.. . a. fter the blizzard of Jan/23/2016. How it began …. How old is the universe?. Approximately 13.7 billion years old…. One theory says that baby universe came out with a . PES 1000 – Physics in Everyday Life. Macroscopic vs. Microscopic Quantities. We have been studying the motion of regular-sized (. macroscopic. ) objects. We know these objects are made up of countless atoms and molecules (. Measuring atmospheric pressure at different altitudes above sea . level. How does atmospheric pressure vary?. Objective. The purpose of this activity is to study atmospheric pressure variations, as we reach higher . EARTH SURFACE. gravity. random. motion. Weight of all air molecules is propagated to surface by random motion of molecules. Random motion of molecules causes pressure to be applied in all directions. Objectives:. Develop and/or review basic relations for atmospheric temperature, humidity, density, and pressure.. Use the UNR, DRI, and Slide Mountain pressure to estimate the mean virtual temperature of the the layer between the stations.. gases. sand, snow, or grain (granular materials). FLUIDS .  . STUFF THAT FLOWS. FLUIDS. 1. States of Matter. Comes in three states – solid, liquid, gas. So far we have only dealt with . solid.