5th Grade Nutrient Cycles Quizzes, Questions & Answers

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The Nitrogen Cycle For Kids

The Nitrogen cycle for kids is set and designed to test and advance the basic knowledge on the Nitrogen part of the air. Beginners are advised to take it up and understand the simple facts and concepts about Nitrogen.

Questions: 6 | Attempts: 326 | Last updated: Mar 21, 2025

Sample Question 1
What happens to Nitrogen after a cow excretes it?

The cow explodes

Forms soil

Decomposes

Nitrifies Bacteria

Sample Question 2
What does nitrifying bacteria convert ammonia to?

Nitrites

Nitrates

Doug's hair

Poison Gas

Nitrudes

Sample Question 3
What does denitrifying bacteria do to Nitrogen?

Turns Hamish's hair pink

The Correct Answer

The Wrong answer

Releases it into the air

It joins with a Carbon Atom

You should have selected the Correct Answer