HS-PS4-1

Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.

More Stories in HS-PS4-1

  1. Humans

    Analyze This: Spooky feelings may come from noises too low to hear

    People exposed to low infrasound frequencies had higher levels of a stress hormone in spit and were more likely to rate music as sad.

    By
  2. Animals

    Some sea stars channel light like fiber-optic cables

    The tiny cone-shaped structures in arms of chocolate-chip sea stars also triple their skeleton’s strength.

    By
  3. Animals

    Analyze This: How sea slugs get their flashy colors

    Crystals beneath the skin of nudibranchs, also called sea slugs, allow the creatures to make an array of intense hues with just one material.

    By
  4. Oceans

    Big waves shape this surfer-scientist’s research and life

    Professor and pro surfer Cliff Kapono studies human-ocean interactions through the lens of a surfer, from molecular to macro scales.

    By
  5. Animals

    Like living mood rings, these bees change color when it turns humid

    Humidity makes North American sweat bees change color. This trait could be widespread among shiny insects, some biologists now suspect.

    By
  6. Humans

    Some people use echolocation to get around. Here’s how it works

    As expert echolocators make multiple clicking sounds, their brains process the echoes to help them perceive their surroundings.

    By
  7. Physics

    Thunderstorms can make trees twinkle with an electric glow

    The tiny, storm-driven electric zaps dance and jump around pine needles and other leaves. Videos have just captured that subtle flickering in forests.

    By
  8. Life

    Scientists Say: Biophoton

    All living things glow with this mysterious light. But scientists need ultra-sensitive tools to detect it.

    By
  9. Physics

    Physics explains why sneakers squeak on the basketball court

    We’re hearing a shoe’s sole wrinkling in bursts that repeat thousands of times each second.

    By