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. 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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  2. 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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  3. 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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  4. 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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  5. Physics

    Scientists Say: Neutron

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

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  6. Chemistry

    Lego-like way to snap molecules together wins 2022 chemistry Nobel

    This so-called ‘click chemistry’ allows scientists to build complex molecules in the lab and in living cells.

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  7. Physics

    Experiments on ‘entangled’ quantum particles won the physics Nobel Prize

    Three pioneers in quantum physics share the 2022 Nobel Prize in physics.

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  8. Physics

    Scientists Say: Proton

    These positively charged particles are important building blocks in atoms.

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  9. Chemistry

    Simple process destroys toxic and widespread ‘forever’ pollutants

    Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.

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