HS-PS1-2

Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.

More Stories in HS-PS1-2

  1. Microbes

    Thank microbes for chocolate’s tasty flavors

    Cocoa beans matter, but yeast and bacteria may be the real secret to fine chocolate flavor.

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  2. Tech

    Artificial intelligence helped design a new type of battery

    Supercomputing and AI cut the early discovery steps from decades to just 80 hours. The process led to a new solid electrolyte.

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  3. Health & Medicine

    9 things to know about lead’s health risks — and how to curb them

    Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.

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  4. Earth

    The weird sky glow called STEVE is really confusing scientists

    Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.

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  5. Chemistry

    Pollution power? A new device turns carbon dioxide into fuel

    Scientists made a device that converts the greenhouse gas into formate. This salt can then run a fuel cell to make electricity.

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  6. Animals

    These beetles ‘drink’ water using their butts

    Red flour beetles can survive in very dry environments. New research shows how the beetles can suck water from the air using their rear ends.

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  7. Materials Science

    Let’s learn about the weird science of ice

    Better understanding of ice could lead to new deicing materials or even, someday, weather control.

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  8. Physics

    Does the size of a parachute matter?

    How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.

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  9. Physics

    Scientists Say: Neutron

    Neutrons are one of the main building blocks of atoms and have no electric charge.

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