The contens are: perpetual motion; forces in action; rubbing and rolling; a machine for war; slopes and wedges; twisting and turning; moving in circles; cogs and wheels; on two wheels; pullinng and lifting; feeding machines with energy; getting up steam; machines to make machines; electric motors; a macine that files; reaching the fire; pumping petrol; piston power; ........
There are more than 5.000 million people living on our planet Earth. The Earth provides us with air to breathe, food to eat and water to drink. It gives us the materials to build homes and shelter, as well as for clothes, and it provides us with many other things that we need or enjoy. Every single one of us depends on the Earth for life.
This book explain about anything in plant. About roots, stems, leaves: about plants need: pollination: shoots and roots, grasslands all over the world, plants in dry places: floating in the sea: in woods and forest: in the rain forest,.......
This book talk about the solar system, light telescopes, rockets, orbits, space shuttle, satellite servants, communications and tracking, training the astronauts, going to the moon, space probes, voyage of discovery.
Buku ini menjelaskan tentang berbagai macam hal mengenai sains yang ada di sekitar kita seperti : Hewan, Sel sel yang dapat dilihat oleh microscope Serta organ organ yang ada dalam hewan .
Hei, Ki Dalang!rnJangan beri kesempatanrnboneka nyinyir membeberkan aibnya,rnjangan biarkan omonganrnyang membingungkan kami,rneja setiap kata yang lugasrnyang berjajar di pakem itu, lantunkan kebenaran kisahrnyang mengungkapkanrnkesetiaan perempuan kepada laki-lakirnyang menguasai jagad raya -rnjangan,jangan selewengkan syiar Kitab iturnwalau hanya sepatah kata -rnkami sudah hafal di luar kepa…
Kumpulan puisi karya Sapardi Djoko Damono ini pasti memberikan kesan tersendiri bagi pembaca dan selalu menarik untuk disimak.rnrnSelamat membaca!
Dalam ungkapan bersajak banyak bersembunyi rahasia bahasa Melayu, sebagaimana yang dikatakan Profesor van Ophuysen bahwa dalam pantun terkandung tabiat, pikiran, dan perasaan bangsa Melayu. Oleh karena itu Balai Pustaka mengumpulkan pantun-pantun Melayu dalam terbitan ini agar dapat dinikmati dan dipelajari oleh masyarakat Indonesia.
Computers are especially useful for storing a lot of information. They can keep words, pictures and sounds in their memory, and give you the information you need within seconds.rnEven the most advanced computers are often easy to use. They communicate with you by flashing messages or pictures onto a screen, ar sometimes they talk to you. You can play games with them, too.rnThis book explain abo…