The Journey of Nitro the Nitrogen Atom
Presentation
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Scott Clifton
FREE Resource
10 Slides • 9 Questions
1
2
3
Open Ended
What might be the significance of understanding the journey of a nitrogen atom through different environments?
4
Multiple Choice
Why is nitrogen gas (N₂) considered very stable in the atmosphere?
Because it has a strong triple bond between nitrogen atoms
Because it is heavier than oxygen
Because it reacts easily with other gases
Because it is always found near the ground
5
6
7
Multiple Choice
What is the process called when lightning breaks the bond in nitrogen gas (N2) and allows it to combine with oxygen to form nitrates (NO3-)?
Biological fixation
Assimilation
Abiotic fixation
Ammonification
8
9
Multiple Select
Which of the following are products formed during the biological fixation of nitrogen in the soil?
Nitrate (NO3-)
Ammonia (NH3)
Ammonium (NH4+)
Nitrogen gas (N2)
10
11
Open Ended
Describe the role of bacteria in the nitrogen cycle as shown in the root nodule resort and plant assimilation stages.
12
13
14
15
Multiple Choice
Which process involves the conversion of ammonium (NH4+) into nitrites (NO2-) and then into nitrates (NO3-) by specialized bacteria?
Nitrification
Denitrification
Assimilation
Nitrogen fixation
16
17
Open Ended
Explain the role of denitrifying bacteria in the nitrogen cycle and describe the environmental conditions under which they operate.
18
Open Ended
What part of Nitro the Nitrogen Atom's journey did you find most interesting or surprising, and why?
19
Multiple Choice
Why is nitrogen gas (N₂) in the atmosphere considered very stable?
Because it has a strong triple bond between nitrogen atoms
Because it reacts easily with other elements
Because it is heavier than oxygen
Because it is always found in water
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