Buku ensiklopedi fisika ini mengulas tentang gaya, usaha dan energi. Dikupas secara detail dan mendalam sehingga mudah dipahami.
Why does your hair stick to a balloon? What are fossil fuels made from? Why does ice cream feel cold when we eat it? Find out the answers to these questions and more in DKfindout! Energy, which features photographs of scientific experiments and illustrative examples of basic energy principles. From the discovery of fire to the development of the nuclear reactor, scientific breakthroughs through…
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 …
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 …