Mirjam Sophia Glessmer

Tag: hands-on activity

Building a miniature well

November 28, 2014
Groundwater dynamics in the kitchen. This activity is suitable for young children who wonder where the tap water comes from. All you need is some sand, an empty toilet paper roll, and…
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Fjord circulation

November 1, 2013
Tank experiment on a typical circulation in a fjord. Traditionally, a fjord circulation experiment has been done in GEOF130’s student practicals. Pierre and I recently met up to test-run the…
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Progressive waves on a rope

October 5, 2013
Visualization of progressive waves: wave form and energy move forward while the rope itself stays in place. When I talked about waves in GEOF130 recently, in order to explain the…
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Measuring temperature.

September 28, 2013
Students build thermometers. As described in this post, I like to have students build “instruments” to measure the most oceanographic properties (temperature, salinity and density). I find that they appreciate oceanographic…
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Measuring salinity

September 27, 2013
Students evaporate water to measure the salinity of a water sample. As described in this post, I like to have students build “instruments” to measure the most oceanographic properties (temperature, salinity…
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Measuring density

September 26, 2013
Students build a device to measure density. As described in this post, I like to have students build “instruments” to measure the most oceanographic properties (temperature, salinity and density). I…
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Tasting sea water reloaded

September 25, 2013
Doing the “tasting sea water” activity again with a different group of students. A very good introduction to the concept of salinity is the “tasting sea water” activity. Last time…
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Internal waves in a bottle

September 18, 2013
Internal waves are shown in simple 0.5l bottles. Waves travel on the interface between fluids of different densities and the phase speed of those waves depends on the density difference…
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A simple DIY tidal model

September 12, 2013
Instruction for a very simple DIY tidal model. Today, we built a very simple DIY tidal model in class. It consists of two sets of tidal bulges: One locked in…
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Forskningsdagene are almost upon us

August 30, 2013
Preparations for experiments to be shown at the science fair “forskningsdagene” are under preparation. Forskningsdagene, a cooperation between research institutes and schools, science centers and other educational places, will take…
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Sea surface height and ocean depth

August 28, 2013
A hands-on activity in which students use real data to find similarities in the sea surface height and the ocean depth along satellite tracks. In yesterday’s GEOF130 class, we explored…
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Heat capacity of air and water

August 28, 2013
Hands-on activity to better understand the concept and consequences of heat capacity. Also a great party trick. Imagine you take a balloon. Any kind of normal balloon. You blow it…
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And even more on density

August 28, 2013
My favorite experiment. Quick and easy and very impressive way to illustrate the influence of temperature on water densities. Today in the “introduction to oceanography” (GEOF130) we conducted my favorite…
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More on density

August 28, 2013
Extremely simple experiment to illustrate the effect of density differences. At room temperature, will coke cans float or sink in freshwater? And how about coke light? Btw, this experiment is…
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Tasting sea water

August 28, 2013
Hands-on activity on sea water salinity In the first lecture of the “introduction to oceanography” GEOF130 course 2013, we investigated water samples from four different regions: The Mediterranean, the tropical…
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