Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice learning exercise on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy for each.
National Institute of Open Schooling
Spontaneity of Chemical Reactions
Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...
National Science Teacher Association
Middle School Sampler: Science
Focus on inquiry-based learning in your science class with a series of activities designed for middle schoolers. A helpful packet samples four different texts, which include activities about predator-prey relationships, Earth's axis and...
Curated OER
ME*Pro App
In this secondary mathematics lesson, learners investigate the uses and capabilities of a TI-89 application designed for mechanical engineering young scholars. The app contains over 700 pieces of reference information and organized into...