With 25 Science Projects for Kids
How does a car move from one place to another? How do cranes lift such heavy objects? From ancient times to now, engines have powered people’s lives. Engines! With 25 Science Projects for Kids invites readers ages 7 to 10 to explore engines and deepen their understanding of the history of engines, what makes them hum, and all the special jobs they do for humans. Engines! also examines some of the ways mechanical innovation has...