MS-PS2-5

Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact.

  1. Fossils

    Identifying ancient trees from their amber

    A Swedish teen’s analyses of a sample of amber may have uncovered a previously unknown type of ancient tree.

    By Sid Perkins
  2. Computing

    Electricity: Cutting the cords

    Engineers are working to charge more wireless gadgets — without relying on cords and plugs.

    By Kathiann Kowalski
  3. Physics

    Like electricity, but magnetic

    Getting magnetic poles on the move makes a new kind of flow.

    By Stephen Ornes