HS-PS2-1
Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.
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PhysicsScientists Say: Acceleration
Acceleration is a change in velocity. That could mean a change in speed or in direction.
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PhysicsResearchers reveal the secret to the perfect football throw
The tip of a spiraling football follows the ball’s path. If you know a thing or two about gyroscopes, this is not what you’d expect.
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PhysicsScientists Say: Velocity
Velocity is more than speed. It is both speed and the direction in which an object is traveling.
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PhysicsHow physics lets a toy boat float upside down
Buoyancy’s upward force keeps objects afloat even in unusual conditions.
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TechLet’s learn about space robots
Space robots can take pictures of other planets, analyze samples of their surface and even peer into their interiors.
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PlanetsGlass beads help scientists puzzle out how baby planets grow
Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.
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PhysicsDisabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
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TechTeens garner some $4 million in prizes at 2017 Intel ISEF
Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.
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PhysicsFalling through Earth might be a long and fruitless trip
A classic physics problem asks what would happen if you plunged through Earth’s center. A new study contends you could never make it to the other side.
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Teen gymnast finds how best to keep her grip
Unsatisfied with anecdotal opinions on which type of gymnastics chalk was best, a teen used science to find out for herself.
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Health & MedicineWhy Paralympic sprinters have trouble with curves
Whether an artificial leg is on the right or left side of the body may affect how fast runners can take a turn.
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PhysicsEinstein taught us: It’s all ‘relative’
One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.