There is a plausible explanation for how carbon dioxide molecules could interact with water molecules thereby forming a solution where the carbon dioxide is the solute and water is the solvent (as it usually is). The weak inter-molecular attractive forces rely on the polarity of the water molecule and the high density of electrons at either end of the
When a bottle or can of carbonated beverage is opened the carbon dioxide is allowed gas to come out of solution. This is because there is a pressure differential between the carbon dioxide in the liquid and carbon dioxide in the air. The pressure in the liquid is higher than the pressure in the air so the carbon dioxide moves
In this investigation, students will measure production of CO2 from surface water and consider the role of surface waters in the global carbon cycle and climate change. They will gather data on using Vernier CO2 sensors. This lesson presents a wonderful opportunity for student-designed experiments.
This one hour event features the GLOBE Africa and Globe Seasons and Biomes expedition to Mt. Kilimanjaro, Africa. Students and teachers that are on the expedition explain the different biomes they pass through on their way up to the summit of Mt. Kilimanjaro.
This one hour event features the expedition with the GLOBE Africa and GLOBE Seasons and Biomes program to Mt. Kilimanjaro, Africa. Dr. Kenji Yoshikawa,from the University of Alaska Fairbanks, presents on the permafrost and hydrology features of Mt. Kilimanjaro while he is on the mountain.
Humans are creative. They try to solve problems in original ways. For example, some scientists are thinking of ways to decrease the amount of greenhouse gases in the air. Other scientists are thinking of ways to limit the amount of sun that reaches Earth so that the Earth won’t get so warm. Like most ideas, there are pros (good
Textbooks say that carbon dioxide is a greenhouse gas and can make earth's climate hotter. Try this lab to see if carbon dioxide gas can really act like a greenhouse.
Objectives
Students should be able to make a hypothesis, perform an experiment, analyze data and write a conclusion based on the evidence from their experiment.
PolarConnect event with Mark Goldner and the REU students and PI's that are in Norway. Three REU students presented on their experiments. A good introduction to the research questions and the area.