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Science Shorts: Comparing Liquids
Journal Article |
Children experience the physical properties of liquids as they watch raindrops run down a window, observe how insects can walk on water, and notice how the “shape” of a liquid matches the container in which it is held.…
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Sensing Matter—Is It a Liquid or Solid?
Journal Article |
Students classify materials based on physical properties.
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Science 101: How Does a Thermos “Know” to Keep Hot Liquids Hot and Cold Liquids Cold?
Journal Article |
This column provides background science information for elementary teachers. This issue discusses heat transfer.
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Blue Solids, Red Liquids, and Yellow Gases
Journal Article |
During this eye-opening unit, students create visual representations of some very abstract concepts, and in the process eliminate many of their misconceptions about matter. All you need are some colored pencils and…
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Science 101: What Is the Difference Between Solids and Liquids?
Journal Article |
This column provides background science information for elementary teachers. This month’s issue discusses the definitions of solids and liquids.
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Favorite Demonstration: The Roles of Different Mobile Phases in Liquid Chromatography
Journal Article |
The activity described in this article will demonstrate the role of mobile phase polarity on the separation of dyes having different solubilities in polar and nonpolar solutions. A paper chromatography system is used in…
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Case Study |
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Safety Alert: Do Not Use Methanol-Based Flame Tests on Open Laboratory Desks
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Safety Alert: Do Not Use Methanol-Based Flame Tests on Open Laboratory Desks Because of serious safety issues surrounding science experiments and demonstrations involving ignition of flammable liquids, NSTA strongly recommends that teachers immediately stop using methanol-based flame tests on an open…
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Exploring the properties of liquid, and solid, water
Blog Post |
Photo by Em Parkinson. Exploring ice is an activity that children find interesting all year round. I remember the thin sheets of ice that would form in winter at what was usually the surface of a puddle in the…
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