1.10: Protecting Water from Pollution

Multiple Select

What are the two causes of eutrophication?

• pH

• Nitrates

• Phosphates

• Temperature

Multiple Choice

What is dissolved oxygen?

• oxygen gas dissolved in water

• a primary plant nuttient

• a measure of how acidic or basic a substance is

Multiple Choice

Evaporation is the change of state from ___________ to __________

• liquid to gas

• solid to liquid

• gas to liquid

Multiple Choice

The Clean Water Act is a _______________ law in the United States that regulates water pollution.

• Local

• State

• Federal

• Interstellar

Poll

If water is clear it is safe to drink!

• True

• False

• Not sure!

Multiple Choice

Waste water is best described as:

• Water that you can cook with.

• Water that goes down your drain or toilet.

• Water in a local pond.

• River water.

Multiple Choice

Cholera is a bacterial disease that is spread throughout a community by contaminated water. How can the spread of cholera (bacteria) be prevented?

• by giving healthy people antibiotics before they get sick

• by hand washing with contaminated water before food preparation

• by using Chlorine to treat water before it enters the water supply

• by using waste to fertilize fields instead of releasing it into the water supply

Open Ended

List at least two ways you can help prevent or reduce water pollution.

Open Ended

"Water is essential to life." What does this quote mean to you. Why do you believe having high quality water is important?