How do musical instruments make sounds? How do we hear sounds? Science has the answers! Learn all about the amazing world of sound. Author: Abbie Dunne. Format: Hardcover
Physics Educational Material
On July 23, 1969, Neil Armstrong and Edwin "Buzz" Aldrin stepped from their spacecraft onto the alien soil of the Moon - Earth's sister world. Using archival images and explanatory text, this riveting title guides the ...