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The Nitrogen Cycle

The OFFICIAL one.
by

Hannah Joosse

on 4 December 2012

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Transcript of The Nitrogen Cycle

By Hannah, Rachel, Tyler, Nick and Ethan The Nitrogen Cycle What is the Nitrogen Cycle? The Nitrogen Cycle is a cycle that produces the chemical element "nitrogen" into our atmosphere. Our Atmosphere is made of 78% nitrogen. But how exactly does the Nitrogen Cycle work? How is Nitrogen Found in Our Atmosphere? Nitrogen is found in all living things. It is found in the form of proteins, nucleic acids and other molecules. Nitrogen is flammable in most of its forms. Our body uses the nitrogen we breathe in to grow, and nitrogen is a necessity. How is Nitrogen used by Plants? How does nitrogen get added to the earth so that it can be used by plants and animals? Nitrogen is added to the soil through decomposition of other plants and animals, as well as through animal manure, precipitation, commercial fertilizers, crop residues, and organic matter in the soil. Why is Bacteria Important to the Nitrogen Cycle? Bacteria is important to the nitrogen cycle because producers, or plants, need them to make proteins, and then consumers, or animals, eat the producers and reuse the nitrogen to make their own proteins. Bacteria is found in water and in the ground. Bacteria is a fixator. Nitrates and nitrites can not make proteins without bacteria. How does Nitrogen get Released Into the Air? How Does the Nitrogen Cycle Work? The Nitrogen Cycle works like this: Animals get rid of their waste, which get absorbed into the soil. The bacteria in the soil absorbs the waste, and it gets turned into a substance that plants can absorb. The roots of plants take in the waste, and the plant lets it out into the air, and the chemical is referred to as "Nitrogen" The Nitrogen Cycle works like this: Animals get rid of their waste, which gets absorbed into the soil. Bacteria in the soil absorbs the waste, and converts it into a substance that plants can absorb. The plants then use the waste, also known as nitrogen, to grow bigger and faster. The plants also release the nitrogen into the air, and the animals and people breathe in nitrogen, and eat foods that have nitrogen in it, and the cycle repeats. What is the Nitrogen Cycle? Diamonds are thought
to be made from carbon and
dead bacteria. Fun Facts! Plants cannot absorb nitrogen when it is in gas form. They are able to get nitrogen through a process that is called Fixation. Fixation is a process that allows bacteria to convert nitrogen into an organic compound that plants can absorb. Plants can grow faster and bigger with nitrogen, and nitrogen can help with the process, "photosynthesis". Farmers use fertilizer that contains nitrogen, which adds extra nitrogen to the soil. 3% of the weight of a human body is nitrogen Christian Perspective 78% of the earth's atmosphere is nitrogen most plants and animals can't get the amount of nitrogen they need right from the air When a plant or animal decays, the nitrogen within it gets absorbed into the soil, which is absorbed by plants. The plant then uses this nitrogen to grow, but also exerts some nitrogen into the atmosphere, which animals and humans breathe in. Plants also contain nitrogen within them, so when we eat carrots, cucumber and lettuce we take in the nitrogen. When we breathe in and out, nitrogen is being inhaled and exhaled by animals and humans. God designed nitrogen to be needed by all living things. If we didn't have nitrogen, our bodies wouldn't be able to grow, and neither would plants and animals, so we would have no food for us to eat. Also, no one would want to buy tiny animals and plants, so farmers wouldn't be able to make any money. It makes their crops worth more because they grow bigger.
We, as bodies in Christ, wouldn't be able to function without nitrogen, and that would result to us not being able to be good stewards of the earth. We wouldn't be able to spread the word of God and show God's love to one another. Being without nitrogen is like being without oxygen; it's not possible. God designed nitrogen for a purpose, and we need to be thankful for it. the total mass of nitrogen is about 70kg the sound you hear when you crack your knuckles is the sound of nitrogen gas bubbles popping the sound you hear when you crack your knuckles is the sound of nitrogen gas bubbles popping nitrogen is an ingredient in laughing gas the melting point of nitrogen is -210 degrees Celsius.

you can submerge any object (e.x. flower) into liquid nitrogen, drop it, and it will shatter like glass
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