Understanding Double Rainbows and More

Hank Green and LeVar Burton discuss the science behind double rainbows, including reflection and refraction of light in water droplets. They explain phenomena like Alexander's band and other rare rainbow types. The video also highlights Reading Rainbow's initiative to make educational content accessible online through a Kickstarter campaign.

Who is introduced as the rainbow expert in the video?

• Neil deGrasse Tyson

• Carl Sagan

• LeVar Burton

• Bill Nye

What are the essential elements needed to form a rainbow?

• Light, water, and a lens

• Light, water, and a prism

• Light, air, and a mirror

• Light, water, and you

How many degrees above the primary rainbow does the secondary rainbow appear?

• Seven degrees

• Eleven degrees

• Five degrees

• Nine degrees

What is the name of the dark area between the two rainbows?

• Newton's band

• Alexander's band

• Einstein's band

• Galileo's band

What causes supernumerary rainbows?

• Interference of overlapping light waves

• Refraction of light

• Reflection of light

• Diffraction of light

What is the current theory about the formation of twinned rainbows?

• They are formed by a single type of raindrop

• They are formed by two different sizes of raindrops

• They are formed by the reflection of sunlight on ice crystals

• They are formed by the diffraction of light through clouds

What is the main goal of the new Reading Rainbow project?

• To create a new TV show

• To make books available on tablets

• To publish a series of educational videos

• To put the app experience online for everyone

What platform is the Reading Rainbow app currently available on?

• Laptops

• Tablets

• Smartphones

• Desktops

What is the purpose of the Kickstarter campaign mentioned in the video?

• To fund a new TV series

• To create a new educational game

• To support a new book release

• To fund the online app project

What does the Reading Rainbow project aim to provide to classrooms?

• Free books

• Free internet

• Free tablets

• Free app access