INTRODUCTION

THE HYDROELECTRIC POWER

• THIS IS A WATER-POWERED ENGINE DAM
• It makes electricity from flowing water that travels down stream.

HOW THEY WORK

• Water powers engines that put out electricity.
• The Hoover dam for example is hydroelectric

ARE THEY EXCEPTED

• Cities like Chicago are switching to hydroelectric.
• It's used in most dams.
• Most towns and states use them.

ARE THEY BAD?

• Sometimes they kill the animals.
• It is really expensive.
• Damed rivers build natural objects like rock and wood
• Rating:Kind of.