What is Nitrogen? - Cycle & Formula


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Nitrogen is usually found in a _____ state and makes up about 78% of the Earth's _____.

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1. Plants soak up _____ nitrogen through its roots and then combine the nitrogen in the plant to create _____ substances.

2. Not all of the nitrogen remains in the cycle. _____ is a process where nitrogen leaves the cycle.

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About This Quiz & Worksheet

Primarily with fill-in-the-blank questions using the multiple choice answer bank, these resources will test your knowledge of nitrogen's most common state, where its found, what its called when it leaves its cycle, ways it re-enters its cycle, its different forms, and the role plants and animals play.

Quiz & Worksheet Goals

Particularly, you will be assessed on:

  • Nitrogen's most common state of matter
  • Where nitrogen is commonly found on Earth
  • The type of nitrogen plants absorb and substances this leads to
  • Process of nitrogen leaving the cycle
  • An example of nitrogen re-entering the cycle via plants and animals
  • The nitrogen compound necessary for plants to soak up nitrogen

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the cycle of nitrogen
  • Critical thinking - apply relevant concepts to examine information about Earth's ecosystems
  • Reading comprehension - ensure that you draw the most important information from the related lesson on nitrogen

Additional Learning

Want to learn more about nitrogen? Take a look at the associated lesson titled, What is Nitrogen? - Cycle & Formula. This tutorial will cover the following topics a bit further:

  • The cycle and processes of nitrogen
  • Lightning's effect on nitrogen
  • The release of nitrogen
  • Nitrogen's other uses