1.
children working in factories or mines
2.
a black rock that forms underground from decomposed plants. It is burned as a fuel to produce energy or heat.
4.
The plant that produces fibers from which many textiles are woven.
5.
an obligation to pay or do something
6.
to send to another country, for sale or trade
7.
A large building in which machinery is used to make goods
8.
The process of building and growing industries, where machines and factories are used to make goods faster and in larger amounts
9.
creating something new or improving something old to make it better
10.
something that is made for the first time
12.
make something on a large scale using machinery.
13.
Materials such as minerals from rocks, wood from forests, or plants from land that grow in nature and can be used to sell and make money
14.
Release of harmful materials into the environment
15.
a tough elastic substance made from a tropical plant
16.
a machine that uses steam, or hot water vapor, to make things move. It helps run trains, boats, and machines in factories.
17.
A government tax on imports or exports
18.
A machine that sends messages using electric signals. People used it to talk to each other from far away before phones were invented.
19.
A fabric made by weaving, used in making clothing
20.
Movement of people from rural areas to cities
21.
something people use to protect themselves like guns or a sword
