Turn heat energy into mechanical energy. Make a thermometer. Use gravity to cut an ice cube in two. Find out why popcorn pops and how a hammer generates heat. Formerly a little in Robert W. Rood's popular Physics for Kids series, this new edition brings thermodynamic principles to life with even more imaginative hands-on activities for home or school that will captivate children ages 8 and up. …
Force are everywhere- from electricity making light or heat appear at the flick of a switch to gravity pulling us towards the earth. Discover how these and other amazing and invisible forces work, and the awesome impact they have on our everyday lives. With electricity & forces you can put scientific ideas to the test, easily and safely,using readily available materials, and become one of the …
Saat ini kebutuhan akan barang-barang elektronik semakin mendesak. Misalkan: mesin cuci, setrika listrik, kipas angin, AC, kulkas, televisi, dll. Pada dasarnya barang-barang elektronik memudahkan hidup kita. Namun, apakah kita tahu bagaimana membuatnya, bagaimana merawatnya, dan apa untung ruginya memakai peralatan elektronik?