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earth science study of the earth geology study of the solid earth meteorology study of the climate oceanography study of the oceans of the earth astronomy study of all things outside of the earth temperature measured on 3 scales = -Celsius , Kelvin, and Fahrenhheit what are the 4 layers of the atmosphere(earth up)? troposphere, stratosphere, mesosphere, thermosphere, what is between the troposphere and the stratosphere tropopause what is between the stratosphere and the mesosphere stratopause what is between the mesosphere and the thermosphere mesopause what are the layers of the earth from the center out? inner core, outer core, mantel, and crust atmosphere the gasphere hydrosphere the water sphere lithosphere The solid part of the earth consisting of the crust and outer mantle moho the boundary between the earth's mantle and crust observation the act of observing, Use of one or more of the senses to gather information inference a conclusion one draws (infers) based on premises or evidence interface (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases) density the amount per unit size formula D=mass/volume What two things can change the density? 1. Heat 2. Pressure *they can change the density because it changes the VOLUME. What will happen to the volume and density when you add heat? The volume increases and it becomes less dense. What will happen to the volume when you cool a substance? the volume will decrease and the substance will become more dense. What will happen when there is added pressure? It will compact the substance - decreasing the volume - making the substance more dense. What unit is energy measured in? Joules KHDDCM Kilo, Hecto, Deka, Deci, Centi, Milli Hydrosphere Liquid Earth - meaning the oceans, seas, lakes, etc. Tropsphere lowest, thinnest layer where we live and most weather occurs Tropopause Boundary layer where trend if temperature changes direction Stratosphere Ozone layer Stratopause boundary layer where trend of temperature changes direction. Mesopause boundary layer where trend of temp changes direction Thermosphere Topmost layer, atmosphere gets thinner and thinner as it blends into outerr space.