In this video, students learn how the invention of velcro was inspired by the burrs that got stuck to a dog's fur. Includes background reading and teacher tips. [2:00]

A teacher-made video on structures that are found in the natural world or made by people. The teacher pauses periodically for students to consider questions that she asks. [4:11]

A simple drawing lesson set to music where the artist draws, labels, and colors things found in the natural world and things made by humans. Could serve as a good model for young students. [4:11]

We see many living and non-living things around us. Some of them are living things and the others are non-living things. Certain non-living things like mountains, rivers, clouds, rain are also natural. [3:35]