MS-PS1-2

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

  1. Chemistry

    Let’s learn about chocolate

    Humans have been making chocolate for millennia. Now scientists are investigating how to make this tasty treat more abundant and nutritious.

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  2. Chemistry

    Experiment: How to keep fruit slices fresh

    Let’s explore why fruit tends to brown over time and how to keep it looking fresh.

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  3. Chemistry

    Teen chemist uncovers potentially harmful preservatives in pet food

    Thermo Fisher JIC finalist Mackensey Wilson measured levels of a chemical called BHT in three pet food brands.

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  4. Chemistry

    Scientists Say: Rocket propellants

    Rockets need more than fuel to get where they need to go — they also need oxidizers to burn that fuel. Together, these chemical combos are known as rocket propellants.

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  5. Physics

    Weirdly, mayo can help study conditions ripe for nuclear fusion 

    Yes, mayo. The texture of the sandwich spread is perfect for mimicking what a fusion fuel capsule goes through when blasted with lasers.

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  6. Health & Medicine

    Scientists Say: THC

    The active chemical in marijuana might have some medicinal value. But studies point to THC's potential risks, especially for teens.

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  7. Climate

    Stashing more CO2 in the ocean could slow climate change

    More research is needed on ways to safely remove some CO2 from the water to make room for more — such as by seaweed farming and iron fertilization.

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  8. Chemistry

    Scientists Say: Excitation

    Excited electrons are to thank for dazzling fireworks displays, plants harnessing energy, the semiconductors behind modern tech and more.

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  9. Materials Science

    New lab trick makes diamonds without extreme pressure

    The lab-grown diamonds form in a liquid of gallium, iron, nickel and silicon.

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  10. Chemistry

    Scientists Say: Methane

    Used to cook food and heat homes, this potent greenhouse gas accounts for 30 percent of the warming of our climate.

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  11. Chemistry

    Experiment: How to make the boldest, brightest tie-dye!

    Clothes are made from a variety of fibers, from natural to synthetic ones. Let’s explore how different fibers react with dyes.

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  12. Physics

    Experiment: Make your own cents-able battery

    Make your own ‘voltaic pile’ with pennies and nickels, and find out how many coins will make the most electricity!

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