Education.com
Education.com: Sorting Objects by Material
[Free Registration/Login Required] This game challenges kids to sort objects by material. Taking their cues from the Three Little Pigs, preschoolers will sort items made of straw into one backpack, sticks into another, and bricks into a...
Other
Sorico: Describing and Comparing Measurable Attributes
The following unit can be used to teach measurable attributes. Students will describe and compare two objects with a measurable concept in common using direct comparison. Included are necessary vocabulary, a scavenger hunt, and links to...
NASA
Nasa: Imagine the Universe: Supernovae (Advanced)
Supernovae are divided into two basic physical types, including a description of supernova types and how they are classified based on the existence of hydrogen spectral lines. Definitions of key terms are provided.
Other
Ohio Resource Center: Shadows
This applet helps students visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...
TED Talks
Ted: Ted Ed: How Did Clouds Get Their Names?
Richard Hamblyn tells the history of Luke Howard, the man who classified the clouds and forever changed humanity's understanding of these changeable, mysterious objects. [5:07]