In a region with long, freezing winters, families wear thick fur-lined coats and heavy boots and eat hot meals to stay warm. What are these families doing?

Farmers in a dry region dig canals that carry water from a nearby river to their fields so crops can grow. What is this practice called?

Workers build a large dam across a river so the water collects in a lake behind it. This shows that people ___ the environment.

Clearing the trees from a forest so the land can be plowed for farm fields is an example of people adapting to the environment.

Many early port settlements in North America grew beside natural harbors. Why did a natural harbor attract a settlement?

In the hot, dry Southwest, Pueblo peoples have long built homes with thick adobe walls. How do those thick earth walls help the people living inside?

Farmers on the flat, open Great Plains planted long rows of trees along the edges of their fields. How did those rows of trees help the farms?

The Great Plains had deep, rich soil but very few trees. What did many early farm families there use to build the walls of their first houses?

Before railroads were built, many trade routes followed river systems. Why did traders move goods along the rivers?

A town beside a large forest grew a busy lumber industry, and a town beside rich farmland grew an industry that ground grain. In both towns, the industry grew around a nearby ___.

What does it mean for people to adapt to their environment?

What does it mean for people to modify their environment?

In places with many earthquakes, people build homes that are designed to sway without falling down. This is an example of people adapting to the environment.

Which action is the best example of modifying the environment?

Farmers in a dry valley dig irrigation canals that take a lot of water from a river. What could happen to the river downstream?

A dam can help store water and control flooding, and it leaves the river habitats around it exactly as they were.

Which example shows people adapting to a hot, sunny climate?

Why do people build roads through forests, deserts, or mountains?

Which is a possible negative effect of cutting down too many trees?

Building houses on stilts in a flood-prone area is an example of adapting to the environment.

Which action is most likely meant to protect land from ocean waves?

Why might people use air conditioning in a very hot region?

Which choice is a natural resource people often use when building homes?

People sometimes terrace hillsides to make flat steps for farming.

Which example shows both a benefit and a cost of modifying the environment?

What is one reason people settle near rivers?

Which action is an example of adapting to limited rainfall?

Draining a swamp or wetland to build on the land is a way people modify the environment.

What is one possible problem caused by paving large areas with concrete or asphalt?

Which is the best example of people using technology to adapt to the environment?

Planting trees in a city provides shade, and it also makes the city's air quality worse.

Which human activity most directly changes a grassland into farmland?

Which is one possible cost of building a tunnel through a mountain?

Which situation is the best example of people adapting their jobs to the environment?

Building a canal changes the environment by creating or improving a water route for travel or shipping.

Which choice is a responsible way to reduce harm when people modify the environment?

Why do some communities build levees along rivers?

Moving to higher ground before a flood is an example of modifying the environment.

Which example shows a community modifying the environment to create recreation space?

Which question should people ask before changing a natural area?