Unit 1 Lesson 3

What is iron-ore used to make?

• copper

• steel

• gold

• silver

What is an example of renewable resource?

• trees

• coal

• oil

• gas

What is an example of a nonrenewable resource?

• sun

• wind

• trees

• coal

Energy that is created by falling water is called ____________________.

• irrigation

• hydroelectric power

• natural resources

• renewable resources

The _______________ of country is the way its people use natural resources, money, and knowledge to produce goods and services. 

• irrigation

• hydroelectric power

• economy

• nonrenewable resources

______________ happens when there is not enough of a resource to make all the products people want. 

• economy

• irrigation

• natural resources

• scarcity

Bringing water to dry land through ditches or pipes is called ____________________________. 

• irrigation

• economy

• renewable resources

• scarcity

Draw an example of a renewable resource.

Renewable energy is _______________.

• mostly clean

• mostly polluted

Nonrenewable energy is _______________.

• mostly clean

• mostly polluted