Students perform an experiment in which they will use a statistical method called `sampling' to count to a billion (and beyond). Students practice sampling by estimating the number of characters on a page from the classified section of a...

Mid-ocean ridges, rift valleys, island arcs, mountain ranges, earthquakes, volcanoes ... there are so many features associated with plate tectonics. The 14th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography...

Four fabulous activities immerse amateur astronomers into measuring objects that we cannot handle. The experiences are applied to NASA's Space Interferometry Mission, which will take measurements of planets around stars other than our...

Students study the stars and galaxies.  In this universe lesson plan students complete their unit by participating in an evening bonfire to share what they learned.