Extreme Science: From Nano to Galactic

NSTA Press Book | March 2009

Whether we are imagining microbes or mammoths, dinosaurs or diatoms, molecules or stars, people of all ages are fascinated with the very large and the very small. New technologies have enabled scientists to investigate…

Is It a Model?

Lesson Plan | December 2022

The purpose of this assessment probe is to elicit students’ ideas about models. The probe is designed to find out whether students recognize that models can take a variety of forms besides physical replicas.