Simple machines

Título
Simple machines

D. J. Ward

Resumen
"Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out!"Amazon website.

Fecha de publicación como intervalo
2015

Let's-read-and-find-out science. Level 2

Descripción física
pages cm.

Término de la materia
Simple machines.

Autor añadido
Lowery, Mike, 1980-

Síntesis
"Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out!"Amazon website.

ISBN
9780062321480
 
9780062321473

Información de publicación
New York, NY : Harper, an imprint of HarperCollins Publishers, [2015]


BibliotecaSignatura topográficaTipo de materialCódigo de barras del documentoEstado
Shauna May Seneca621.8 WARBook31929000055270Non-Fiction