Berbagai cabang penyelidikan ilmiah yang berbeda-beda dapat dibagi menjadi dua kelompok besar: ilmu empiris dan nonempiris. Ilmu empiris berusaha untuk mengeksplorasi, mendeskripsi, memprediksi dan menjelaskan kejadian-kejadian di duni tempat kita hidup. Oleh karena itu, pernyataan-pernyataan Ikmu empiris harus dicocokan dengan fakta pengalaman kita, dan pernyataan-pernyataan tersebut dapat dit…
Sebagai generasi muda, sepertinya aneh apabila kita tidak tahu dan mengenal para pahlawan bangsa kita sendiri. Seringkali juga pengetahuan kita tentang pahlawan hanya terbatas pada itu-itu saja, karena beberapa pahlawan seringkalo kurang dibahas pada mata pelajaran di sekolah. Padahal, bila dilihar lebih detail sebenarnya banyak sekali pahlawan negeri ini. Seandainya kita tahu dan mengenal mere…
The monarch butterfly, one of the most seemingly delicate of all of nature’s animals, proves to be one of the toughest in this reader. Making the yearly trip from the Northern United States and Canada to the Oyamel forest of Mexico is no easy task, and it takes five generations of butterflies in order to do so. Battling cold temperatures and the threat of starvation, these beautiful insects c…
Over the course of their 70-year lifespan, sperm whales will easily travel the circumference of the Earth in search of food and the need to breed and find a mate. Males will travel as far north as the Bering Sea and as far south as Antarctica in order to find enough food to sustain their ways of live—up to 700 squid a day! Along the way, these massive beasts battle 30-feet-long giant squids, …
He's quick. He's silent. He has five rows of deadly teeth. Chomp! Meet the shark-the fish who ruled the deep before dinosaurs roamed the Earth! This fish has soft cartilage so he can glide, twist, and turn before his prey can say "gulp!" He can smell a single drop of blood in 25 million drops of ocean. He can feel electricity given off by his prey. He will lose and replace more than 10,000 teet…
The cool story of volcanoes will intrigue kids and adults alike. Hot melted rock from the middle of our planet forces its way up through cracks in the Earth's crusts, exploding violently and sometimes unexpectedly in volcanic fury that can terrorize populations for months, even years. Anne Schreiber's narrative gives readers a little of the science, a little of the history, and a lot of the act…
Where do snowflakes come from? How can one fluffy piece of snow turn into a raging whiteout blizzard? Learn all about snow, blizzards, ice storms, and more in this fun, photo-filled book. Build your Smart Word vocabulary and boost your comprehension of science.
Do you know the difference between weather and climate? Can you explain how one affects the other? Find out what causes the seasons, why some places are warm all year while others are cold, and learn how scientists predict the weather and protect us from severe stroms. Learn 20 smart word that will boost your science vocabulary!
Have you ever been pelted by driving rain? Are you frightened by the sound of thunder and the sight of lightning? Thunderstroms can be one of nature's most awesome displays. Find out all about rain, lightning, and thunder in this action-packed book. Plus, build your Smart Word science vocabulary and boost your science comprehension skills.
Tornadoes are often in the news. These monster stroms can cut a path of destruction when they touch down, and the United States gets an average of about 1,000 tornadoes a year - more than any other country! But how do tornadoes form and where do they occur most often? The answer to these questions and more are right inside this amazing book! Plus, you will learn all of the important vocabulary …