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simple.wikipedia.org/wiki/Nitrogen_cycle

The nitrogen cycle is the way that nitrogen in nature is changed into many different forms that are used by living organism[s]. Air is about 78% nitrogen. Nitrogen ...

www.ducksters.com/science/ecosystems/nitrogen_cycle.php

Kids learn about the nitrogen cycle and how this nutrient travels through the ecosystem to sustain life on Earth.

www.kidsgeo.com/geography-for-kids/0161-the-nitrogen-cycle.php

Nitrogen is used by lifeforms to carry out many of the functions of life. This element is especially important to plant life. Yet, nitrogen in its gaseous form is almost ...

www.edenproject.com/learn/for-everyone/nitrogen-cycle-diagram-for-kids

Like oxygen, nitrogen is essential for living things to survive on Earth. Unlike oxygen, nitrogen cannot be absorbed directly from the air by animals and plants.

.ask.com/youtube?q=Nitrogen+Cycle+for+Kids&v=HOpRT8BRGtk
May 25, 2015 ... You will learn about "Nitrogen Cycle" in this video. ... Science and this toddler video is the first time you've understood the Nitrogen Cycle.

eo.ucar.edu/kids/green/cycles7.htm

The Nitrogen Cycle. Take a deep breath. Most of what you just inhaled is nitrogen . In fact, 80% of the air in our atmosphere is made of nitrogen. Your body does ...

kids.britannica.com/students/article/nitrogen-cycle/623550

The circulation of nitrogen in various forms through nature is called the nitrogen cycle. Nitrogen, a component of proteins and nucleic acids, is essential to life on  ...

eschooltoday.com/ecosystems/the-nitrogen-cycle.html

Nitrogen is also key in the existence of ecosystems and food chains. Nitrogen forms about 78% of the air on earth. But why is this cycle so important in ...

www.pbslearningmedia.org/resource/lsps07.sci.life.eco.nitrogen/the-nitrogen-cycle

PBS LearningMedia Interactive for Science for 9-12.

wiki.kidzsearch.com/wiki/Nitrogen_cycle

Sep 26, 2014 ... The nitrogen cycle is the way that nitrogen in nature is changed into many different forms that are used by living [organism]s. Air is about 78% ...