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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MathScientists 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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PlanetsLet’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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PhysicsGlass 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.
By Sid Perkins -
EarthFalling 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.
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TechMake your own mini hovercraft
Hovercraft aren’t just the cars of the future. You can make your own with just a few household items.
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PhysicsRaindrops break the speed limit
Raindrops shouldn't be able fall faster than what is known as their terminal velocity. But no one told the rain. Researchers have found droplets breaking that speed limit.