Highlights the role of chlorine gas in World War 1, and how the property density made it possible to be used as a weapon. Students find it interesting, and this leads to higher engagement. At the end of a quick reading (1 page), students answer 7 reading comprehension and analysis questions, all related to density and the properties of chlorine.
ANSWER KEY INCLUDED
High interest and fits NGSS Properties of Matter!
Also check out our Middle School Density Test
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