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. Physics

    Closing in on fusion energy

    Scientists blasted a tiny capsule of hydrogen with laser beams, setting off a reaction that released more energy than in earlier experiments. Still, scientists remain a long way from creating a reaction that releases more energy than it needs to get started.

    By Stephen Ornes
  2. Earth

    How Earth’s surface morphs

    Partly melted rock acts like grease to help huge masses of the planet’s surface slip up, around and down.

    By Kathiann Kowalski
  3. Chemistry

    Plant-powered plastics

    Scientists are using green materials to create more Earth-friendly plastics.

    By Sharon Oosthoek
  4. Archaeology

    Decoding a beverage jar

    Ancient pottery provides hints of the world's oldest known wine.

    By Kate Ramsayer
  5. Tech

    Crime lab

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

    By Emily Sohn
  6. 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