Jessi and Squeaks grab a snack and learn all about why boiling eggs makes them hard!
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Second Grade Next Generation Science Standards
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).
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-PS1-4. Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.
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SOURCES:
https://www.nature.com/scitable/blog/scibytes/why_do_eggs_hardboil/
https://www.exploratorium.edu/cooking/eggs/eggscience.html
https://chemistry-europe.onlinelibrary.wiley.com/doi/abs/10.1002/cbic.201402427
https://link.springer.com/article/10.1007/s11483-010-9200-1
https://www.livescience.com/28575-science-of-cooking-perfect-egg.html
#scishowkids #eggs #cooking #education #science #elementary #learning #fun #scienceforkids
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