Energy and Fuel
Before coal, this fuel made from burning wood was commonly used in Britain.
Charcoal
Early versions of this machine were used to remove water from mines.
Steam engine
This metal became widely used to build machines, ships, and bridges.
Iron
This word means to use machines instead of people to make products.
Mechanize
This practice helps Willow calm down when she is overwhelmed.
Counting by 7s
This fuel burned longer and more steadily than wood and powered new machines.
Coal
This Scottish inventor made changes to the. steam engine in the 1700s.
James Watt
Steel is stronger than iron because it is mixed with this element.
Carbon
This country was the first place where large-scale industrial changes began in the late 1700s.
Britain
This important and traumatic event happens at the very beginning of the novel.
The death of Willow's parents
This type of resource cannot be replaced once used.
Non-renewable resource
This word is used to describe the process of gas transforming into liquid once cooled.
Condensation
This inventor developed a faster and cheaper way to produce steel in the 1850s.
Henry Bessemer
Making cloth by crossing threads over and under is called this.
Weaving
Mai and Quang-Ha's mother is from this country.
Vietnam
Coal was found underground in these places.
Mines
This unit was used to measure how powerful an engine was compared to horses.
Horsepower
Cheaper steel meant this method of transportation could expand very fast.
Railways
This system involved people making goods in their homes before factories existed.
This is the name of Willow Chance's school, also the name of a tree.
Sequoia
A negative consequence of coal was this environmental problem in industrial cities.
Pollution
This word describes the amount of a product workers made, which also determined how much they were paid.
Output
The nephew of this famous historical figure wanted to use steel to make stronger cannons.
Napoleon Bonaparte
Before factories, the workday was dictated by this instead of clocks.
Sunrise and sunset (sun)
Dell Duke