Ciencia asombrosa: Las m?­quinas sencillas (Amazing Science: Simple Machines)

Grade: K-4

Dissect the science behind these useful tools to get a better handle on the physics of fun & function. Includes: Wedges, Ramps, Screws, Levers, Wheels & Axles, & Pulleys. Accelerated Reader?? titles, RL: 3.4-3.7. Guided reading levels: K-N. Lexile levels: IG450L-IG700L. Reinforced library binding, 24 pages each.