Catalog Search Results
Author
Language
English
Formats
Description
Mrs. Zajac is feisty, funny, and tough. She likes to call herself an "old-lady schoolteacher." (She is thirty-four.) Around Kelly School, she is famous for her discipline: "She is mean, bro," says one of her students. But children love her. And so will the reader of this extraordinarily moving book by the author of House and The Soul of a New Machine. Mrs. Zajac spends her working life "among schoolchildren." To some it might seem a small world, a...
Author
Language
English
Formats
Description
Hirsch shows why American students perform less well than students in other industrialized countries. Drawing on classroom observation, the history of ideas, and current scientific understanding of the patterns of intellectual growth, he builds the case that our schools have indeed made progress in teaching the mechanics of reading, but do not convey the more complex and essential content needed for reading comprehension. Hirsch reasons that literacy...
5) Understanding the Universe: An Introduction to Astronomy, 2nd Edition: Episode 11More Eclipse Tales
Pub. Date
2024.
Language
English
Description
Solar eclipses also come in annular and hybrid varieties, reflecting the varying distance of the Moon from Earth. A famous total solar eclipse in 1919 provided observational evidence for Einstein's general theory of relativity.
Pub. Date
2024.
Language
English
Description
Until recently, astronomers had no smoking gun to identify the precise location and cause of gamma-ray bursts. Now they have assembled an abundance of clues pointing to two separate mechanisms: the collapse of a massive star, and the merging of two neutron stars—in each case creating a black hole.
Pub. Date
2024.
Language
English
Description
The dark energy that is causing the expansion of the Universe to accelerate makes up about 75 percent of the cosmos. Visible matter accounts for less than 1 percent. The bulk of the remainder is dark matter, most of which may consist of exotic subatomic particles.
Pub. Date
2024.
Language
English
Description
According to general relativity, the fate of the Universe is tied to its global geometry. If the Universe has positive curvature, like a sphere, it must eventually collapse in a "Big Crunch." If it is flat or has negative curvature, however, it will expand forever.
Didn't find it?
Can't find what you are looking for? Try our Materials Request Service. Submit Request