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A Simple Way of Modeling the Expansion of the Universe: What Does Light Tell Us?
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Coban, Gul Unal; Sengoren, Serap Kaya – Science Activities: Classroom Projects and Curriculum Ideas, 2011
The purpose of this activity is to model the expansion of the universe by investigating the behavior of water waves. It is designed for students in the upper grades of physics and physical science who are learning about the wave nature of light and are ready to discover such important questions about science. The article explains first the Doppler…
Descriptors: Astronomy, Models, Science Activities, Physical Sciences
Oil Spill Cleanup
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Kauble, Christena Ann – Science Activities: Classroom Projects and Curriculum Ideas, 2011
Several classroom activities using a model of a seashore and an oil spill demonstrate the basic properties of oil spills in oceans. Students brainstorm about how to best clean up the mess. They work in teams, and after agreeing on how they will proceed, their method is tested by measuring the amount of oil removed and by rating the cleanliness of…
Descriptors: Fuels, Learning Activities, Environmental Education, Science Activities
Will Global Warming Cause a Rise in Sea Level? A Simple Activity about the States of Water
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Oguz, Ayse – Science Activities: Classroom Projects and Curriculum Ideas, 2009
In this activity, a possible problem related to global warming is clarified by the principle of states of water. The activity consists of an experiment that includes three scientific principles: Archimedes' Principle, the Law of Conservation of Matter, and the fluidity of liquids. The experiment helps students raise questions and open new horizons…
Descriptors: Scientific Principles, Climate, Water, Science Experiments