Biogeochemical Cycles

Quiz
•
Science
•
7th Grade
•
Medium
+9
Standards-aligned
Ashley Widrig
Used 320+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___________ is the most abundant gas in our atmosphere at 78%.
Oxygen
Carbon Dioxide
Phosphorus
Nitrogen
Tags
NGSS.MS-PS1-1
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
_______________ found in the soil and roots of plants "fix" nitrogen through the process called nitrogen fixation.
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogen can't be used directly from the atmosphere.
True
False
Tags
NGSS.MS-ESS2-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Process in which nitrogen can be fixed by lightning, bacteria, or industries.
Nitrogen Fixation
Denitrification
Photosynthesis
Weathering
Tags
NGSS.MS-LS2-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Process in which nitrifying bacteria change ammonia into nitrites and then nitrates so that plants can absorb the nitrogen.
Denitrification
Nitrification
Nitrogen Fixation
Decomposition
Tags
NGSS.HS-LS2-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Process by which animals obtain and digest nutrients by consuming plants or other animals.
Consumption
Excretion
Decomposition
Respiration
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Process by which decomposers break down dead plants and animals and return the nutrients to the soil.
Respiration
Decomposition
Assimilation
Leaching
Tags
NGSS.MS-LS2-3
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