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


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 ...


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.


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 ...

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.


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 ...


Kids.Net.Au - Encyclopedia > Nitrogen cycle. ... The nitrogen cycle describes the transformations of nitrogen and nitrogen containing compounds in nature.


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% ...


PBS LearningMedia Interactive for Science for 9-12.