検索キーワード： 著者 "Patricia Armentrout" すべてのカテゴリー

Examines wheels, explains their functions, and suggest simple experiment to demonstrate how they work.

Examines wedges, explains their functions, and suggests simple experiments to demonstrate how they work.

Examines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Examines pulleys, explains their functions, and suggests simple experiments to explore their uses.

Examines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Examines inclined planes, explains their functions, and suggests simple experiments to demonstrate how they work.

This audiobook provides an up-close look at the stunts, tricks, and jumps used in motorcycle sports and entertainment.

There are several different types of off-road motorcycles, also known as dirt bikes, which are often used in races and rallies. This audiobook explores dirt bikes and the thrill of riding them.