"What does it take to make a strong bridge? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best bridge around!"--Provided by publisher.
"What does it take to make a simple trap? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best trap around!"--Provided by publisher.
"What does it take to make a tough tower? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best tower around!"--Provided by publisher.
Introduces tornadoes, their causes, and the damage they do; describes how scientists can determine that a tornado is coming; and provides advice on preparation and survival.
Examines how scientists study earthquakes. With fun facts and engaging discussion topics, this short audiobook provides an exciting look at the science of disaster detection.
Takes a closer look at the bladder's role in the urinary system. Explores how the bladder works with the kidneys and the brain to get rid of the body's waste.