Curated OER
Pinhole Viewer
Young scholars make a pinhole viewer to demonstrate how it inverts light passing through it which produces inverted images.
Curated OER
Chemical Families
Ninth graders describe that matter is made of minute particles called atoms, explain structure and properties of atoms, classify chemicals, locate chemicals on the periodic table, and play Jeopardy.
Curated OER
Density
Ninth graders predict when an object will sink or float based on comparison of the density of the object to the density of the substance in which it is placed.
Curated OER
Brain POP - Volcano
In this volcano worksheet, students complete 15 fill in the blank questions on the basics of volcano structure and volcano trivia.
Wolfram Research
Wolfram Math World: Series
This page gives a great overview of series in mathematics, including a definition of convergence and divergence. Provides links to more information about specific types of series.
Idaho State University
Global Wind Systems [Pdf]
A great description of the global scale circulation and heat energy. Discusses a single-cell model, a three-cell model, jet streams and more.