MS-PS1-2

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

  1. Tech

    Crime lab

    From accidents to crime scenes, scientists are helping detectives solve mysteries.

    By Emily Sohn
  2. Humans

    Ancient art on the rocks

    Hand imprints and matchstick figures found in a Borneo cave were made 10,000 years ago.

    By Emily Sohn