Endothermic reactions absorb heat and get warmer (End Up).
Exothermic reactions lose or release heat and get colder (Exit down).
Watch this little video to see how it works. These are available at Dollar Tree if you are interested.I will try to post some student photos soon.
After this lab demo, students answered questions and then worked on math practice.
Tonight's homework is the Unit 2 Review Sheet (it's tan). The Unit 2 test is Friday. The first Benchmark will be on Tuesday.