红火箭黄盒 · 红火箭黄盒1级
what makes it go
What makes the car go? It needs fuel to make it go. Fuel makes the bus go, too.
What makes the windmill go? It needs wind to make it go. Wind makes the sailboat go, too.
What makes a toy train go? It needs batteries to make it go. Batteries make the watch go, too.
What makes the cart go? It needs a horse to make it go. A horse can make machines go, too.
What makes a waterwheel go? It needs water to make it go. Water can make the raft go, too.
