Elijah McCoy had 57 ______ in his lifetime, mainly from his "lubricating cup."

True or False:

Sputtered means a complete failure.

Henry was curious about engines--machines that _______ and purred.

________ are small, specialized machines or electronic devices.

In an engine, a _______ takes in gas to make other parts move.

An _______ light bulb can burn all night.

Thomas invented the ________, which recorded and played back sounds.

True or False:

Henry designed a steam engine that sputtered and collapsed. His design was a flop.