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This is an online interactive about asteroid composition. Learners will explore how scientists learn about the composition of an asteroid by studying energy and neutrons that emanate from it. Includes audio (and transcription) explaining the diagram.
This story, featuring a pigeon named Amelia, takes place in New York City. Amelia's owner, a young girl named Maria, receives a gift from her grandfather-a camera specially designed for strapping on to a pigeon along with copies of old photographs... (View More) taken of New York City landmarks. Suddenly, Amelia's flights around the city take on new relevance; she visits the Bronx Zoo, Central Park and Battery Park to take updated pictures of those same landmarks from her "birds-eye" perspective. Through Amelia's adventures, and with some help from a NASA scientist, Maria learns about the history of aerial images, the use of images to detect changes over time, the significance of color, texture and shape in interpreting those images, and the importance of images taken from today's NASA satellites to our understanding of Earth. (View Less)