Future Relative Humidity
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CEED
THE CENTER FOR ENERGY EFFICIENT DESIGN
Relative Humidity
Grade Level
8, 9, 10
Subject
Earth Science
Objective(s):
SOL Addressed:
To understand the concept of relative humidity and how it
ES.1 The student will plan and conduct investigations in
is measured using a sling psychrometer.
which
Identify how temperature can affect relative humidity.
a) volume, area, mass, elapsed time, direction,
temperature, pressure, distance, density, and
changes in elevation/depth are calculated
utilizing the most appropriate tools;
Sling psychrometers use two thermometers. The dry bulb
b) technologies, including computers,
measures air temperature. The wet bulb (you wet the
probeware, and geospatial technologies, are
“sock” over the bulb) will evaporate, cooling the
used to collect, analyze, and report data and to
temperature, which is an important concept. This
demonstrate concepts and simulate
difference is used to determine the relative humidity.
experimental conditions;
c) scales, diagrams, charts, graphs, tables,
imagery, models, and profiles are constructed
and interpreted;
ES.12 The student will investigate and understand that energy
transfer between the sun and Earth and its
atmosphere drives weather and climate on Earth.
Key concepts include
a) observation and collection of weather data;
Next Generation Science Standards:
MS-ESS2-6: Develop and use a model to describe how
unequal heating and rotation of the Earth cause patterns of
atmospheric and oceanic circulation that determine regional
climates. [
MS-PS3-4: Plan an investigation to determine the
relationships among the energy transferred, the type of
matter, the mass, and the change in the average kinetic
energy of the particles as measured by the temperature of
the sample.
HS-PS3-4: Plan and conduct an investigation to provide
evidence that the transfer of thermal energy when two
components of different temperature are combined within a
closed system results in a more uniform energy distribution
among the components in the system (second law of
thermodynamics).
HS-ESS2-4: Use a model to describe how variations in the flow
of energy into and out of Earth systems result in changes in
climate.
Ferrum College | The Gereau Center | Franklin County Public Schools | ceed.frco.k12.va.us
Parans Futura – “Preparing for the Future”
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