How does a dump truck dump all the dirt out of its truck bed? It turns that bed into a ramp! A ramp is another word for an inclined plane, and an inclined plane is one of six simple machines that are designed to make work easier. Lifting, pulling, pushing-all these tasks are more efficient when you use a simple machine. In Inclined Planes Ramp It Up: Simple Machines for Kids, readers ages 5 …
If you were designing a wheelbarrow, how would you make it move easily when you pushed it? Skis? Stilts? Springs? How about wheels? The wheel is a simple machine that has been used for centuries to make work easier for humans. Look at all the cars, trucks, trains, buses, and bikes around you. They all have wheels and axles! In Wheels Make the World Go Round: Simple Machines for Kids, readers…
Adventures with Energy is a collection of 11 absorbing stories that explore the properties and uses of energy. Where do we find energy, what do we use it for and how does it help to sustain life? Follow three families on their encounters with different forms of energy as they travel around the world, across Singapore and in their homes and school. Be intrigued by amazing fun facts about energy …