Unit 5: Water

What percentage of the Earth's surface is covered in water?

• 80%

• 71%

• 50%

• 90%

What is the main problem with the Colorado River Delta?

• Lack of wildlife

• Excessive pollution

• Industrial waste

• Decreased water flow

What percentage of diseases in some parts of the world is caused by dirty water?

• 80%

• 70%

• 60%

• 50%

Where does the Colorado River flow from?

• Appalachian Mountains

• Rocky Mountains

• Sierra Nevada Mountains

• Cascade Range

What is the main environmental problem discussed in the text?

• Soil erosion

• Plastic pollution in oceans

• Air pollution

• Deforestation

What is the main focus of Boyan's Big Idea?

• Cleaning up rivers

• Reducing air pollution

• Conserving energy

• Recycling plastic

What is the main message of Osvel Hinojosa Huerta's quote?

• The significance of recycling

• The impact of pollution on oceans

• The importance of wildlife conservation

• The need for clean water sources

What is the main suggestion for saving water at home?

• Leaving faucets running

• Using plastic bottles

• Taking long showers

• Collecting rainwater

What is the main environmental impact of plastic pollution in oceans?

• Improving water quality

• Increasing fish population

• Promoting biodiversity

• Harming marine life

What does the UNSAFE water mean?

• Water is OK to drink

• Drinking water will make you healthy

• Water is NOT safe to drink

• Water is clean