Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.

More Stories in HS-ETS1-3

  1. Health & Medicine

    Drug-detection system could help partygoers protect themselves

    Fed up with people getting unwittingly drugged at parties, a teen designed a special bracelet. It can alert drinkers to the presence of certain hidden drugs.

  2. Tech

    This robot can wash a skyscraper’s windows

    Cleaning windows on high-rise buildings can be perilous. But an Australian 12th-grader has created a robot to spare people the risk.

  3. Materials Science

    New black hair dye uses no harsh chemicals

    Scientists have developed a new black-carbon-based hair dye. Instead of using damaging chemicals to dye hair, flexible flakes of carbon coat each strand.

  4. Chemistry

    Banana plant extract can slow how fast ice cream melts

    Food scientists now show that adding these tiny plant particles to ice cream may delay the rate at which this treat melts into a soupy mess.

  5. Chemistry

    Cool Jobs: Diving for new medicines

    Scientists mix research with underwater adventure as they search the oceans for new chemicals to treat infections, cancer and more.

  6. Microbes

    Plant extract mutes germs to fight infections

    A plant extract prevents the aggressive behavior seen in some germs. Using it could fight the development of most bladder infections, a teen’s research suggests.

  7. Health & Medicine

    A light-filled box could blast bacteria from lab coats

    Doctors can pick up bacteria on their lab coats. A teen has designed a special light-filled box to keep those coats from infecting others with those germs.