Glass is really cool, but where does it come from? Jessi and Squeaks have a pretty sweet activity to show you how glass is made
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SOURCES:
Disciplinary Core Ideas:
PS1.A: Structure and Properties of Matter - Different kinds of matter exist and many of them can be either solid or liquid, depending on temperature (2-PS1-1). A great variety of objects can be built up from a small set of pieces (2-PS1-3).
PS1.B: Chemical Reactions - Heating or cooling a substance may cause changes that can be observed. Sometimes these changes are reversible, and sometimes they are not (2-PS1-4).
Performance Expectations:
2-PS1-1. Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.
2-PS1-3. Make observations to construct an evidence-based account of how an object made of a small set of pieces can be disassembled and made into a new object.
2-PS1-4. Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.
Sources:
www.sciencefocus.com/science/...
sugargeekshow.com/recipe/isom...
www.globalsugarart.com/isomal...
www.gpi.org/glass-recycling-f...
www.britannica.com/topic/glas...
www.corning.com/worldwide/en/...
www.usgs.gov/faqs/how-hot-a-h...
www.scientificamerican.com/ar...
www.acs.org/content/acs/en/ed...
www.ice.edu/blog/sugar-pullin...
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