Saturday, October 28, 2017

Geology and Geometry!

How serendipitous that we are studying rocks and shapes at the same time in Room 210!

Second Grade geologists have been describing and sorting rocks by their properties- size, color, shape, texture, among others.  They have learned that minerals in rocks make them different colors and that weathering is when rocks are changed by wind, water or other rocks.  Next they will learn some new vocabulary to describe rocks based on their size: boulder, cobble, pebble, gravel, sand.  Ultimately they will ask- and answer- the question "Is there an earth material smaller than sand?"

In math, students have been describing and sorting shapes by their properties as well.  There are alot of new geometric terms to learn. Students have learned that polygons are closed shapes with more than two sides.  Four-sided polygons are called quadrilaterals and those that have four right angles are called rectangles.  A rectangle that has four equal sides is called a square! Next they will explore fractions as equal parts of shapes.

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