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Results 11 - 20 of 153 DLESE Reviewed Collection = DLESE Reviewed Collection <<  1 2 3 4 5 6  >>
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In this activity, student teams will create a controlled experiment by building ecosystems in two 2-liter bottles. Teams determine the control conditions of both bottles, identify a test variable, and run the experiment for several weeks to determine the role of the test variable in the system. The experiment uses living organisms such as aquatic plants or pond water microorganisms, a pH and ammonia ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Ecology, Physical geography, Geology, Geophysics, Natural hazards
 
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In this lab activity, student teams hypothesize which source has a greater becomes COČ concentration: their breath, auto exhaust, or air in the classroom. They test gas samples from each of these sources, plot data, and hypothesize about the respective role engine exhaust and animal respiration play in contemporary climate change. The lab procedures require Bromthymol Blue indicator solution (BTB), ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Climatology
 
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In this laboratory activity, students observe what happens when a fluid of one density is placed in a fluid of a different density. The fluids are salt water and fresh water, cold water and warm water. They generalize their results to describe what occurs in the world's oceans to drive the global conveyor belt pattern of ocean currents. There is an option to conduct an investigation taking quantitative ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Climatology, History and philosophy of science, Hydrology, Physical oceanography
 
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In this laboratory investigation, student teams discover that the ocean's capacity to dissolve carbon dioxide depends on its temperature, and consider the effect of a warming ocean on COČ absorption. The activity requires Bromothymol blue indicator solution (BTB), Alka Seltzer tablets, household ammonia, a heat source, and laboratory glassware. The investigation is supported by the textbook, Climate ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Climatology, Hydrology, Physical oceanography
 
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This experiment has student teams comparing a sample of room air with one of the greenhouse gases - carbon dioxide, nitrous oxide, or methane - and observing the relative effectiveness of the gases in trapping infrared (IR) radiation. The activity requires an IR heat source, such as a heat lamp, two 2-liter beverage bottles, #4 one hole rubber stoppers, and a thermometer or temperature probes. Nitrous ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Climatology
 
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This quantitative experiment involves lab teams in comparing a sample of room air with one of the greenhouse gases - carbon dioxide, nitrous oxide, or methane - and measuring their heat capacity. The activity requires an infrared heat source, such as a heat lamp, two 2L beverage bottles, #4 one hole rubber stoppers, and a thermometer or temperature probe, volumetric flasks, a graduated cylinder, and ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Atmospheric science, Climatology, Mathematics
 
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Students use a calorimeter made of common materials to demonstrate that energy can be measured and converted from one form to another. Hydrocarbons, such as paraffin, contain stored chemical energy; food contains stored chemical energy. The activity uses a raw potato, a nut, a candle, an aluminum drink can, a thermometer, and a balance scale. A data sheet is included in the resource. The investigation ... Full description.
Grade level: High (9-12)
Resource type: Lab activity
Subject: Physics
 
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This site provides an overview of the Earth's atmospheric greenhouse effect by briefly exploring the atmospheres of nearby planets and discussing the greenhouse gases of our atmosphere, such as, water vapor, carbon dioxide, methane, ozone, and nitrous oxide. Students will learn that the heat-trapping ability of a greenhouse is influenced by a number of factors, including the transparency of the greenhouse ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity, Ref. material
Subject: Atmospheric science, Environmental science
 
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National Science Education Standards (NSES): Read
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Digital Water Ed Library (DWEL)    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Community Annotated Collection     Browse collection
DLESE Community Collection (DCC)     Browse collection
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'The purpose of the resource is to meaure the alkalinity of a water sample. Students will use an alkalinity kit to measure the alkalinity in the water at their hydrology site. The exact procedure depends on the instructions in the alkalinity kit used. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lab activity, Guide for instructor
Subject: Hydrology
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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GLOBE Program Collection    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
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The purpose of this activity is to build an instrument that can be used to measure water temperature. Students construct a soda-bottle thermometer, which is similar to the thermometer used by GLOBE schools. Both are based on the principle that most substances expand and contract as their temperature changes. This experiment also demonstrates the principle of heat transfer. The intended outcome is ... Full description.
Grade level: Middle (6-8)
Resource type: Lab activity, Guide for instructor
Subject: Atmospheric science, Environmental science, Human geography
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
GLOBE Program Collection    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Results 11 - 20 of 153 <<  1 2 3 4 5 6  >>