Robot Workers reveals that, while most of us still do our own chores, that vision of the future is finally becoming a reality in the form of robotic vacuums and lawn mowers.It also shows us… More →
Crabtree Classics
3749 records found. Displaying 2533 - 2544.
From the first rockets used to fire arrows to modern computer-controlled cruise missiles and wire-guided High Explosive Anti-Tank Missiles, twelve dioramic scenes reveal how rockets and… More →
Rocky cliffs at the seashore often reveal the geological processes at work creating rocks and minerals. This fascinating book helps… • how erosion, sediment deposit, and underground pr More →
Children will be intrigued by this series that digs deep. Raw materials found under the earth have both a practical purpose, providing us with fuel, and a pleasing purpose, giving us dazzling More →
Follow along as a researcher observes and makes journal entries about their field trip through the Rocky Mountains ecosystem. Outstanding photographs highlight the animals, plants, and people More →
Beavers, chipmunks, porcupines, mice, and other rodents sing rap songs about themselves in this clever and highly entertaining book! A predictable rhyme scheme and humorous photographs help… More →
Rolling Along explores the benefits and uses of the wheel and axle. RobbO and RobbEE build a cart to make it easier to move a heavy load, and learn how the wheel and axle are also used for… More →
Do you dare take a trip to ancient Rome? When you get there, make sure you try the local dishes, such as boiled parrot and stuffed dormice; take in the daring chariot races; and cheer on the… More →
All of the clocks at the amusement park have roman numerals instead of numbers. Abby and Ben need to keep track of the time. Young readers will learn how the children figure out how to read… More →
Step into the world of the Romans! Write in Latin, stand in a Roman soldier's sandals, send signals the Roman way, try your luck at the game Tropa, make a mosaic, nibble on sweet honey toast, More →
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