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Anyone interested in astronomy owes a debt of gratitude to Galileo Galilei, a Renaissance-era astronomer and physicist known as the “father of observational astronomy” and credited with inventing the telescope. This audio story describes our modern-day fascination with astronomy and looking deep into space, first made possible by the Italian inventor. Listen to learn about the secrets of the universe revealed by the Hubble telescope, and hear an astronomer predict a “mind-boggling” new discovery he expects in the future.
Story Length: 3:22
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In 2014, astronomers discovered a new dwarf planet on the edge of our solar system. This discovery has changed scientists’ understanding of what exists in the solar system beyond the more well known dwarf planet, Pluto. The new planet is a pink ball of ice, and scientists believe there could be an unseen and undiscovered planet larger than Earth in the far reaches of our solar system.
The people of Ancient Mesopotamia practiced mathematics from the early days of Sumer to the fall of Babylon in the 6th century. Until recently, most evidence suggested that math was used primarily for things like measuring land. A new discovery by a researcher in Berlin has shed new light on how Babylonians used geometry to measure the changes in the velocity of Jupiter over time as it moves across the sky. Prior to this discovery, the use of geometry in this manner was thought to have come in the middle ages. Listen to hear how this new discovery shows that Babylonian mathematics was more sophisticated than previously thought.
Until the 1500’s, it was understood that the earth was the center of the universe and that all celestial bodies revolved around it. In his book On the Revolutions of Heavenly Spheres, Nicolaus Copernicus challenged that accepted idea by providing evidence that, in fact, earth, along with the other planets, revolved around the sun. In this audio story, the story of Copernicus and his revolutionary idea is retold. The story delves into how and why Copernicus shared his belief with the world. The story compares the resistance to accepting Copernicus’ belief with modern debates over topics like climate change.
Johannes Gutenberg is one of history’s most important inventors for having invented the printing press. His invention ushered in the “Gutenberg revolution”, leading to the mass production of books, the influence of which on world history is incalculable. One of the most important early printings by Gutenberg was the famous Gutenberg Bible, of which only three “perfect” copies survive. This audio story focuses on the copy at the Library of Congress. The story details efforts to digitally analyze each page and how this analysis is raising new questions about the process by which mass production of books evolved.
The Lexile Audio Measure is an indicator of the complexity of an audio passage. It is based on a scientifically developed scale with a maximum score of 2000L.How to Use Lexile Audio Measures
Find stories at the right level of complexity for your students, so that they will be challenged without being frustrated. The measures are categorized into low, medium, or high in order to aid teachers in story selection when they do not know students’ Lexile listening levels.
|Listening Level||Lexile Audio Measures|
These recommended ranges are for instructional use of Listenwise audio content in combination with supports such as the interactive transcript, etc.
|Grade||Lexile Audio Measures (Recommended Ranges)|
|1||215L - 610L|
|2||490L - 855L|
|3||725L - 1060L|
|4||945L - 1250L|
|5||1045L - 1350L|
|6||1125L - 1430L|
|7||1190L - 1500L|
|8||1250L - 1555L|
|9||1300L - 1610L|
|10||1345L - 1655L|
|11/12||1385L - 1695L|