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The DCMP provides services designed to support and improve the academic achievement of students with disabilities. We partner with top educational and television content creators and distributors to make media accessible and available to these students.
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It's Okay to Be Smart: Why the Heck Is Glass Transparent?

5 minutes 42 seconds

Now Playing As: Captioned (English) (change)

Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks aren’t. So, why is glass clear? Part of the "It's Okay to Be Smart" series.

Media Details

Runtime: 5 minutes 42 seconds

Topic: Science
Subtopic: Chemistry, Earth Sciences, Science Experiments
Grade/Interest Level: 10 - 12
Release Year: 2020
Producer/Distributor: PBS Digital Studios
Series: It's Okay to Be Smart

Still image from: It's Okay to Be Smart: 4 Ways the Universe Might End (All of Them Bad)

Still image from: It's Okay to Be Smart: The Lizard That Uses Nanotechnology to Walk Upside Down

Still image from: It's Okay to Be Smart: The Shocking Truth About Ben Franklin and the Kite

Still image from: It's Okay to Be Smart: Why the Heck Is Glass Transparent?

Still image from: It's Okay to Be Smart: Why Do We Lie?

Still image from: It's Okay to Be Smart: What Is Impossible in Evolution?

Many hot air balloons taking off into the sky.

Still image from: It's Okay to Be Smart: The Most Extreme Life Forms on Earth…And Beyond?

Different math equations and graphs are drawn, with a butterfly as the backdrop.

Sixteen eyeballs, each with different eye color. Caption: Martin-Schultz scale.