Potassium nitrate

High school (ages 12+)
Science & Technology

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/potassium-nitrate

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is Potassium nitrate known for?Provides essential potassium and nitrate (nitrogen)
2. What is the chemical formula?KNO₃
3. What is the common historical name?Saltpeter
4. What is potassium nitrate and why is it called saltpeter?Potassium nitrate is a white crystalline salt with the formula KNO₃. It was historically called saltpeter because it was first found in natural deposits called niter beds.
5. How does potassium nitrate help plants grow?It gives plants potassium and nitrate, two nutrients that help enzymes work, control water loss, and build proteins and chlorophyll.

Oxidizing Agent: A chemical species that oxidizes (removes electrons from) another species, often by supplying oxygen.
Pyrotechnics: The art and science of using combustible or explosive compositions to produce visual and auditory effects.
Fertigation: The process of applying fertilizers through an irrigation system.
Macronutrient: A chemical element required in large quantities for plant growth and development.