Presents some of the characteristics of inventors by describing the inventions of people such as Alexander Graham Bell, Thomas Edison, and Eli Whitney.'
This book allows children to increase their awareness of weather and shows them how changing weather conditions can be represented with graphic symbols.
Sekarang ini berbagai jenis sampah seperti koran, sisa makanan, pembungkus, rangka komputer, obat-obatan, memenuhi tempat sampah kita. Padahal bumi sudah mulai kesulitan menyerap sampah. Dalam buku ini, kamu bisa mempelajari tentang proses pembusukan materi dan berbagai cara untuk menggunakan kembali, mengurangi, dan mendaur ulang sampahmu.
Apakah kamu khawatir akan masa depan planet kita? Kamu ingin ikut melestarikan lingkungan? Bagus, tetapi, kamu mungkin akan mengalami kesulitan untuk mengubah kebiasaanmu. Buku ini menyarankan berbagai tindakan sehari-hari yang bisa dilakukan untuk menyelamatkan bumi.
Tod's ears are so clogged up he can't hear, but he doesn't want to miss school. His teacher, the ex-spy Mr. Merlin, is sure to have secret codes for the class to figure out and a new mystery for them to solve. but the mystery turns out to be in Todd's own backyard. Someone's been in his tree house and left a pretty yucky clue. It's another case for Mr. Merlin's police scientist friend, Dr. Smil…
Learn what's inside a walnut, pineapple, and corncob in this primary reader.