The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. Anyone who has ...

Middle School Chemistry’s Interactive Chemistry Lesson Modules are a set of digital resources designed to complement your in-class, inquiry-based chemistry lessons. Originally developed during the ...

The first contains a fine iron powder, salt, and water in a pouch that is permeable to air. When it is exposed to air, the iron begins to rust. This rusting process produces heat. The second contains ...