HS-ESS2-2

Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems.

  1. Earth

    Tsunami’s trek traced in the sky

    Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.

    By Stephen Ornes
  2. Animals

    Ants aweigh!

    In a flood, fire ants cling together to keep afloat.

    By Stephen Ornes
  3. Earth

    Ice on the move

    Flowing glaciers help scientists study climate change.

    By Alexandra Witze
  4. Climate

    A dire shortage of water

    Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.

    By Emily Sohn