HS-PS2-6

Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.

More Stories in HS-PS2-6

  1. Physics

    Scientists Say: Piezoelectric

    Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.

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  2. Agriculture

    Dew collector brings water to thirsty plants

    This invention grabs water from the air at night. All it needs is the sun’s warmth the next day to release that moisture to growing plants.

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  3. Tech

    Bye-bye batteries? Power a phone with fabric or a beacon with sound

    New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.

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  4. Chemistry

    A soil-based ‘concrete’ could make buildings green, even on Mars

    A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.

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  5. Environment

    Why today’s ‘fast fashions’ can be bad for the planet

    The constant buy-wear-toss cycle of fast fashion isn’t sustainable. It hurts the environment and takes a toll on our wallets, too.

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  6. Environment

    Old clothes soon may be recycled, not trashed

    One day, clothes may be recycled almost as much as plastics and glass are now. See how chemists are moving us in that direction.

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  7. Chemistry

    Here’s how to make flip-flops biodegradable

    Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.

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  8. Tech

    This artificial skin feels ‘ghosts’ — things you wish were there

    Engineers have developed a wearable device that simulates the sense of touch. It may benefit robotic surgery and deep-sea exploration.

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  9. Tech

    Ordinary paper turns into flexible human-powered keypad

    Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.

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