My Library

This activity is from The Universe at Your Fingertips 2.0, a large resource collection for teaching astronomy. Branches of science often begin by organizing things into categories — whether it is birds, bones, particles, or planets. Choosing the right categories can be essential to making progress. On the other hand, science in our schools is often taught as if the categories in any branch of science were ordained by supernatural authorities rather than created by the human mind. This activ