HS-PS2-6

Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.

  1. Physics

    Building a mirror with light

    Scientists proved that lasers can be used to harness materials into a reflective surface. Some scientists ask: Can a space mirror be far away?

    By Stephen Ornes
  2. Environment

    Explainer: All crude oil is not alike

    Crude oil comes in conventional and unconventional types.

    By Janet Raloff