MS-PS2-2

Plan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object.

More Stories in MS-PS2-2

  1. Physics

    Explainer: Gravity and microgravity

    The force of gravity holds us on the ground, keeps planets in orbit and extends throughout space. A very weak gravitational pull is called microgravity.

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  2. Earth

    Volcanic avalanches may be more destructive than previously thought

    Pressures within these pyroclastic flows may be as much as three times as high as observations had suggested.

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  3. Physics

    Here’s why ducklings swim in a row behind mom

    Baby ducks save energy by surfing their mother’s waves, but only if they do it in an orderly line.

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  4. Physics

    Scientists Say: Mass

    Mass shows how much an object resists speeding up or slowing down when force is applied — a measure of how much matter is in it.

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  5. Tech

    Mantis shrimp inspires somersaults of new soft robot

    Its rolling acrobatics allow this robot to move especially swiftly — much as a fictional new Disney character can.

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  6. Physics

    Why big nuts always rise to the top

    X-rays scans of a box of mixed nuts now reveal why large Brazil nuts rise to the top.

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  7. Physics

    Light levitation might help explore Earth’s ‘ignorosphere’

    A toy called a light mill inspired researchers to invent a new way to fly. They’re using light to levitate small nanotube-coated discs.

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  8. Physics

    Scientists Say: Acceleration

    Acceleration is a change in velocity. That could mean a change in speed or in direction.

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  9. Physics

    Butterflies use jet propulsion for quick getaways

    If you have ever tried to catch a resting butterfly, you know they are surprisingly difficult to nab. A new study helps explain why.

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