These two lessons compliment each other perfectly. The first lesson has students exploring chemical reactions and the second lesson has students applying their knowledge of endothermic chemical reactions and the absorption of thermal energy to build a portable medicine cooler. This bundle supports the NGSS standards:MS PS1-2, MS PS1-6, MS ETS1-2, MS ETS1-3, MS ETS1-4Lesson 1 - Exploring the many dimensions of a chemical reaction NGSS MS PS1-2These highly engaging activities can be used for a num