Search Results

In this activity, learners investigate the basic crystal structures that metal atoms form.

This paper describes a working-model demonstration of Ernest Rutherford's 1911 experiment about the nature of atoms.

In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity (pages 42-49), learners discover the methods and challenges of building nanoscale structures with macroscale equipment.