Chapter 8 & 9

Hydropower is electricity generated by _______.

• water power

• coal power

• wind power

• solar power

A structure built over something so people can cross it.

• canal

• bridge

• dam

• landfill

Choose the correct definition of "landfill".

• a land reservoir used to conserve water

• a stream used to fill up farmland with water

• a place where trash is dumped or buried

• to get electricity to a place that needs it

A dam is a barrier that _______ the flow of water.

• encourages

• starts

• blocks

• depends on

Ralph builds railroad tracks. They explore a new area of land. He comes to a mountain. How can Ralph fix this challenge?

• he can build a canal

• he can build a tunnel

• he can build a dam

• he can build a landfill

Which river is located at letter A?

• Mississippi River

• Cumberland River

• Tennessee River

• Duck River

Which river is located at letter B?

• Tennessee River

• Cumberland River

• Piney River

• Mississippi River

Which river is located at letter C?

• Ohio River

• Mississippi River

• Tennessee River

• Cumberland River

The Great Smokey Mountains are located at letter _________.

• A

• B

• C

• D

Which major city in Tennessee is located at letter A?

• Knoxville

• Nashville

• Memphis

• Chattanooga