WGBH Educational Foundation

Keep, Change, Flip

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Watch and listen to an approach to dividing fractions set to hip-hop music. This video focuses on showing why when dividing fractions you should multiply by the inverse of the second fraction.

This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers and is part of the Math at the Core: Middle School collection.

Determining Surface Area with Unit Blocks

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Use your spatial reasoning skills to calculate the surface area when given a 3D figure. This video focuses on a right rectangular prism and shows you how unit blocks can help you visualize, then calculate the surface area. This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers. This resource is part of the Math at the Core: Middle School collection.

Nuclear Meltdown Disaster (2015)

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NOVA reveals the minute-by-minute story of the Fukushima nuclear crisis—the one you know about, and the one you likely don't; the perilously close call at the other Fukushima nuclear power plant a few miles away from the meltdowns.

Grade Level: 
High
Length: 
01:00
Nuclear Meltdown Disaster

NOVA: The Nuclear Option (2017)

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Years after the earthquake and tsunami that triggered the unprecedented trio of meltdowns at the Fukushima Daiichi nuclear power plant, scientists and engineers are still struggling to control an ongoing crisis at the wrecked plant. What's next for Fukushima? What's next for Japan?

Grade Level: 
High
Length: 
001:00
NOVA: The Nuclear Option

NOVA: Hunting the Elements (2012)

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Where do nature's building blocks, called the elements, come from? They're the hidden ingredients of everything in our world, from the carbon in our bodies to the metals in our smartphones.

Grade Level: 
Middle
High
Length: 
02:00
NOVA: Hunting the Elements

Secret State of North Korea: Explore Life Under Kim Jong-Un (2014)

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Just two years into the job and armed with nuclear weapons, North Korea's Kim Jong-un is the world's youngest dictator, ruling one of the world's most isolated countries. Like his father and grandfather, he wants to maintain tight control over what North Koreans see of the world - and what the world sees of North Korea.

Grade Level: 
Middle
High
Length: 
01:00
Secret State of North Korea: Explore Life Under Kim Jong-Un

The Lobotomist (2008)

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It was hailed by the New York Times as "surgery of the soul," a groundbreaking medical procedure that promised hope to the most distressed mentally ill patients and their families. But what began as an operation of last resort was soon being performed at some fifty state asylums, often with devastating results.

Grade Level: 
Middle
High
Length: 
01:00
The Lobotomist

Freedom Riders (2011)

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In 1961, segregation seemed to have an overwhelming grip on American society. Many states violently enforced the policy, while the federal government, under the Kennedy administration, remained indifferent, preoccupied with matters abroad.

Grade Level: 
Middle
High
Length: 
02:00
Freedom Riders

How Does the Brain Work? (2011)

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Magic and the Brain Are the secrets behind the world's greatest magic tricks actually wired into the human brain? Eccentric magicians Penn and Teller and Las Vegas trickster Apollo Robbins team up with neuroscientists to reveal how our brains process visual information. Can you really believe your own eyes?

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Middle
High
Length: 
01:00
How Does the Brain Work?

The Persuaders (2004)

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FRONTLINE takes an in-depth look at the multibillion-dollar "persuasion industries" of advertising and public relations. To cut through mass-media clutter and to overcome consumers' growing resistance to their pitches, marketers have developed new ways of integrating their messages deeper into the fabric of our lives.

Grade Level: 
Middle
High
Length: 
01:30
The Persuaders

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