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Sloping Up and Down: the Ramp (Robotx Get Help from Simple Machines) Gerry Bailey
Sloping Up and Down: the Ramp (Robotx Get Help from Simple Machines)
Gerry Bailey
Sloping Up and Down explores the benefits and uses of the ramp. RobbO and RobbEE learn that a ramp is called an inclined plane. They discover that ramps are used for building stairs and escalators, and were even used as far back as ancient Egypt to build the pyramids.
| メディア | 書籍 Hardcover Book (ハードカバー付きの本) |
| リリース済み | 2014年2月28日 |
| ISBN13 | 9780778704195 |
| 出版社 | Crabtree Publishing Company |
| ページ数 | 32 |
| 寸法 | 150 × 220 × 20 mm · 362 g |
| 言語 | 英語 |
| 寄稿者 | Mike Spoor |