Explains how cotton is grown and harvested to make fabric; discusses how blue jeans fabric is made at a mill and how the fabric is sewn together to make jeans at a factory; and how blue jeans become available to consumers.
Explains how bicycles are made from different materials; discusses how bicycles are assembled in a factory; and how bicycles become available to consumers.
This fun, colorful book describes basic rules for what to do and what not to do to be safe on your cell phone and online.
Apatosaurus was one of the biggest animals to ever walk the planet! Find out more about the Apatosaurus's life, what it ate, and what scientists have learned from its fossils.
Allosaurus was one of the biggest meat-eating dinosaurs to ever live. Learn what this huge hunter looked like, ate, and did all day when it roamed the land.
A very simple introduction to the life and accomplishments of noted physicist Albert Einstein.