The Franklin Institute
Franklin Institute: How Sedimentary Rock Is Formed
The Franklin Institute describes the way sedimentary rock is formed, with links to descriptions of several types of sedimentary rocks.
The Franklin Institute
The Franklin Institute: Living Things Families
What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.
The Franklin Institute
Franklin Institute: Ecosystems, Biomes, and Habitats
This site is provided for by The Franklin Institute Online. "Open the door and step into your ecosystem." Content describes ecosystems and related material such as biomes, habitats, energy cycle, extinction, recycling, and more.
The Franklin Institute
The Franklin Institute Online: Oxygen Delivery System
This site from The Franklin Institute explains the primary function of the respiratory system - to deliver oxygen to all parts of the body (breathing).
The Franklin Institute
Inquiry Almanack: Bio Point
Discover from a student's point of view what a "DNA fingerprint," is and how it is extracted.
The Franklin Institute
The Franklin Institute Online: The Incredible Lever
This site contains a scientific experiment in which students build a lever by using a wood plank and brick.