Fighting Big Farm Pollution with a Tiny Plant

What event in 2014 prompted Julia Hunckler to take notice of lake pollution?

• A hurricane in Florida

• A tap water ban in Toledo, Ohio

• A flood in Texas

• A drought in California

What was the cause of the tap water ban in Toledo, Ohio?

• Toxins in Lake Erie

• A broken water pipe

• A chemical spill

• A power outage

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NGSS.MS-PS1-2

What tiny freshwater plant did Julia Hunckler use in her experiments?

• Algae

• Water lily

• Duckweed

• Cattail

What did Julia Hunckler hope the duckweed would remove from the water?

• Salt

• Plastic

• Oil

• Fertilizer

Where did Julia Hunckler present her findings?

• Google Science Fair

• National Science Bowl

• Intel International Science & Engineering Fair

• Regeneron Science Talent Search

What do farmers and gardeners use to fertilize their plants?

• Copper and manganese

• Iron and zinc

• Calcium and magnesium

• Nitrogen and phosphorus

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NGSS.MS-LS2-1

What is the term for the oxygen-depleting cycle caused by nutrient-rich water?

• Eutrophication

• Photosynthesis

• Respiration

• Transpiration

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NGSS.MS-LS2-4

What can toxic algae blooms in lakes produce?

• Medicines

• Vitamins

• Poisons

• Proteins

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NGSS.HS-ESS3-1

How long did Julia Hunckler wait before measuring the growth of duckweed in her experiment?

• 10 days

• 15 days

• 30 days

• 25 days

What did Julia Hunckler use to test the amount of phosphorus in water?

• A test kit from a pet store

• A pH meter

• A microscope

• A thermometer