7.12_Do Now/Exit Ticket

Last updated over 4 years ago
2 questions
1

Do Now: What’s so important about Nitrogen to living things? Be specific. Answers that say something like "it helps things" will not receive credit.

1

Exit Ticket: Match each vocab word from the nitrogen cycle with the correct definition.

Draggable itemCorresponding Item
Ammonification
The sphere of living things around our planet
Biosphere
Makes up 78% of our atmosphere. Can’t be used by animals or plants in this form.
Nitrogen Gas (N2 )
A toxic substance produced by bacteria on the roots of plants.
Denitrification
Formed by other bacteria that are loose in the soil. This is the stuff that plants and animals LOVE.
Nitrification
The process by bacteria convert dead plants and animals into Ammonia (NH4+) by decomposition.
Nitrates (NO3-)
The process by which bacteria converts Nitrogen Gas (N2 ) into Ammonia (NH4+) in the soil.
Ammonia (NH4+)
The process by which bacteria in the soil convert Ammonia (NH4+) to Nitrates (NO3-)
Nitrogen Fixation
The process by which nitrates (NO3-) in the soil are converted by bacteria back into nitrogen gas (N2)