Passenger liners, fire boats, tankers, barges, and busy tugboats-there's heavy traffic in Donald Crews' Harbour. This Beginning book includes a picture glossary to help anchor these ships in the minds of very young readers.'
A story, a problem, a list of possible solutions, and - Eureka! You have it! Become an inventor and test your creative skills with a make-and-do construction or experiment.
From the wheels we roll along on to the hinges on a door, the world around us is full of simple machines. And simple machines are something that science is all about. '
How does my bike turn?
What does the mighty machines do to help people made a building?