Books in Dover Children's Science Books series

Solve the puzzles to discover fun facts about the U. S. Constitution! These mazes, secret codes, crosswords, and other puzzles offer an entertaining way to learn about the Constitution, the foundation of the supreme law of the United States. Thirty-four challenges reveal significant facts, such as who signed the Constitution, where and when the delegates gathered, how the document made the United States into a nation, and other fascinating historical details. Includes solutions.

Can you spot the differences? Look closely at these 25 pairs of colorful photos! The ones on the left are the originals and the ones on the right feature ten or more subtle changes. Suitable for ages 6 to 10, the kid-friendly images include a birthday party, lemonade stand, science classroom, shelves of cool antiques, and more. Complete solutions appear at the end.

These vintage craftwork projects date from a simpler time, when people were more likely to make their own amusements rather than buy them. Drawn from Popular Mechanics magazines of the 1940s, The Boy Mechanic features a tremendous variety of well-illustrated projects. They range from the practical to the fanciful, comprising everyday items such as birdhouses and bean shooters as well as unusual ventures, including ice gliders and magnetic theaters.Girls, boys, and adults of both genders will appreciate these engaging projects, which require only common tools and inexpensive supplies. Whether used as a manual or simply read for the pleasure of a look back at the good old days, this book promises hours of enjoyment.

Are ghosts real? Wait — don't answer till you've read this book! These nine true tales from the spirit world are certain to give pause to even the firmest nonbelievers. Listen in on the moans, groans, and laughter of the wraiths who dwell in a French castle; meet the Horror of Berkeley Square, a demon that literally scares people to death; and encounter the specters of presidents and first ladies that continue to inhabit the White House. Praised by The New York Times as "the dean of children's science writers," Seymour Simon is the author of more than 250 highly acclaimed science books. This illustrated collection of gripping ghost stories will captivate readers of all ages.

Revolutionary War hero, first Secretary of the Treasury, framer of the Constitution — this educational activity book celebrates the inspiring achievements of Alexander Hamilton. Fascinating information about the early American statesman is presented in a timeline that traces his personal background and his public career. Along the way, challenging activities include word searches, mazes, spot-the-differences, secret codes, crosswords, and other puzzles. Solutions are provided.

"A terrific new drawing book about sharks! Clear simple directions — the kids are going to love this one!" — S. D. Spady Elementary SchoolWith this step-by-step guide on how to create images of the marine world's fierce predators, kids can learn to draw creatures from the top of the ocean's food chain in just a few simple steps. This easy-to-follow book illustrates the use of basic geometric shapes to form 31 varieties of sharks, from the great white and the hammerhead to the tiger, bull, and saw sharks. Blank practice pages offer plenty of room to perfect your style.

Where are the Spanish Steps? What is the modern-day name for Byzantium? Where is Wrigley Field? These and many more questions are answered in these fact-filled puzzles, making them an entertaining and informative way to learn about famous cities around the world. (Answers: Rome, Istanbul, and Chicago.)Scan the grids to discover groups of letters that spell — forward or backward, vertically, horizontally, or diagonally — the names of waterways, thoroughfares, airports, landmarks, government buildings, royal residences, and other notable aspects of 50 cities, including Rio de Janeiro, Mecca, Oslo, Montreal, Hong Kong, Athens, New York, and many more. All subjects are listed and identified in a section below the letter grids. And if you're stumped, you'll find solutions in back — but try not to peek!

Solve the puzzles to discover your body's workings, inside and out! Find your way through a maze of arms and legs, spot the differences in a cluster of noses, and identify the heart's parts in a seek-and-find puzzle! These and other challenges are loaded with fascinating facts about the human body, from eyes, teeth, hair, and other external features to internal organs, blood, and muscles. The pictures are fun to color, too!

Toys that fly and the magical fascination of mythical monsters make this collection of cut and assemble dragons doubly appealing. Papercraft expert David Kawami has created eight colorful beasts — complete with scales, batlike wings, and ferocious stares — that beginning as well as advanced model builders can easily construct and set into motion.By following simple step-by-step instructions and explanatory diagrams even the most inexperienced hands can fashion imaginative and delightfully harmless creatures such as the sky blue Draconis zephyr — otherwise known as Windy. Or, bring a bright green Woody (Draconis sylva) to life — along with such scaly companions as Sunny, Stormy, and four other legendary creatures out of the past.Simply cut out each wing and body structure, fold and score along broken lines with a straightedge and glue the parts together. Only a few common household items are needed: scissors, paper clips, a sharp knife, and toothpicks or a fine brush for applying glue.Designed not only for flying, these serpentlike monsters of mythology also make eye-catching decorations and whimsical mobiles. Paper engineers, dragon lovers as well as youngsters of all ages can look forward to hours of fun-filled entertainment with this easily affordable collection.

"What a great book! The images and display of information is very well done, leaving enough room on the page so that the reader is not overwhelmed. This book moves from different topics easily, with interesting facts and graphics on each page. Kids will love pulling out this book and picking a page at random." — Leon County Public LibraryFrom the hairs on their heads to the tips of their toes, this "owner's manual" for kids explains the workings of the human body. Fascinating facts are delivered in bite-sized increments, dense with information but easy to swallow. An appealing, modern visual style combines photos, infographics, cartoons, and computer-generated diagrams.

What better way is there to learn than by doing? This unusual book enables children to carry out more than 40 experiments and demonstrations, carefully planned to illustrate important principles of modern science. Clear step-by-step instructions, frequent diagrams, and clear statements of conclusions all enable the young student to carry through these experiments with minimal supervision, yet full success.Before embarking on the world of discovery, the reader is introduced to the language of chemistry, including a list of the most common elements and their symbols. A chapter on setting up a laboratory, with a list of equipment and chemicals is also very helpful, as is a discussion of laboratory techniques.The experiments focus on the chemicals in the air; the chemistry of water; solutions, diffusion, and osmosis; crystals; fire; acids, bases and salts; photography, and everyday things. The experiments included demonstrate how to grow a crystal garden, make oxygen five different ways, measure the proportion of oxygen in air, bleach cloth, and make soap and toothpaste. No special equipment is needed: apparatus can for the most part be made at home, and the materials are readily available, inexpensive household items, or are easily found at the pharmacy.This volume offers upper grade school, junior high school, and high school students a very entertaining way to enrich their background in science and its applications. It is also a very valuable aid to parents, teachers, and others who wish to make clear, forceful demonstrations to children.