What shape makes a good wheel? Why do you whiz down a slide? How can Steve pull Amy and Jo in his wagon? Why did Amy slip on the grass? Jooin Steve, Amy, Zack, and Jo as they investigate why some things roll and others slide. Do the projects with them an
Humans have used weapons to fight their enemies since the dawn of history. Todays military arsenal is filled with the most accurate and sophisticated tools yet. Read all about these high tech weapons and the science that went into their development.
A furry dog, a scaly lizard. Your sense of touch lets you feel these things and more. But how does your sense of touch work? And how does it help you? Read this book to find out!
Simple text and experiments illustrate the properties of electricity.
Fizz, gurgle, bubble, and brew! Hours of outrageous science fun await kids with Jill Hauser's incredible science concoctions. Kids explore a world of amazing science, from capillary action to liquid density to emulsions to plastics. All while making magi
Presents simple activities and experiments that demonstrate buoyancy by observing why some things sink and others float in water.
Buku ini menjelaskan prinsip ilmiah dasar melalui teknik-teknik seni yang berbeda. Percobaan sederhana yang terdapat dalam buku ini selain merangsang kreativitas seni juga akan menghasilkan penemuan ilmiah.'