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Sloping Up and Down: the Ramp (Robotx Get Help from Simple Machines) Gerry Bailey
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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.
| Mediji | Grāmatas Hardcover Book (Grāmata ar cieto muguriņu un vāku) |
| Izlaists | 2014. gada 28. februāris |
| ISBN13 | 9780778704195 |
| Izdevēji | Crabtree Publishing Company |
| Lapas | 32 |
| Izmēri | 150 × 220 × 20 mm · 362 g |
| Valoda | Angļu |
| Ieguldītājs | Mike Spoor |
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