A Start with Science book about moving and rolling.
One day Oscar sees a ball in the grass. "Try pushing it!" says Cricket. Oscar learns that the ball rolls slowly in grass and faster on a path, until it bounces off a tree and changes direction. Some things need a push to move, and others use their muscles to move themselves - and to move plenty of other things, too.
Back matter includes an index and supplemental activities.
A Start with Science book about moving and rolling.
One day Oscar sees a ball in the grass. "Try pushing it!" says Cricket. Oscar learns that the ball rolls slowly in grass and faster on a path, until it bounce...
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