Cornell University
Energy Changes in Chemical Reactions
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
Curated OER
The Layers of the Atmosphere
In this atmosphere instructional activity, students read about the four distinct layers of the atmosphere. Then students complete 3 short answer questions.
Curated OER
Reading and Spelling Activity
In this Language Arts worksheet, students read a short text and answer 8 questions. For example, students choose the correct spelling of the word excited.