WorksheetsUnit 4 Quiz DDJE
Total questions: 15
Worksheet time: 8mins
Which natural activity consist of transferring dead organic material to the ground?
Photosynthesis
Burning of fossil fuels
Litterfall
Volcanic activity
Where can you find dissolved oxygen?
Lakes
The ocean
Ponds
Forest
Biogeochemical cycles include
Water cycle
Carbon cycle
Oxygen cycle
Nitrogen cycle
Phosphorus cycle
What is the process in which microbial action breaks down decaying biomass into organic compounds?
Decomposition
Leaching
Weathering
Mineralization
The water cycle is the cycle of water
True
Not true
Which describes the transition of water from a solid to a liquid?
Freezing
Evaporation
Melting
Condensation
Which describes the transition of liquid from a solid to a vapor?
Condensation
Sublimation
Deposition
Evaporation
Which is an example of a vapor turning into a liquid?
Frost on a window pane
Freezing lake water
drying up of spilled water
Condensation on a glass of ce water
What is the boiling temp for water?
212 F
220 F
218 F
269 F
Why does frozen water float?
Surface tension is too great causing buoyancy
Frozen water has a lower density
Air currents keep the ice afloat
Constant movement of the water keeps the ice afloat
Where is phosphorous found in the human body?
Teeth
Organs
Fingernails
Bones
Can phosphorous be manufactured?
False
True
What process can convert nitrogen gas into ammonia?
Industrially
Through lightning
Biologically
Cows
Nitrification refers to the conversion of
Ammonia -> Nitrate
Ammonia -> Nitrite
Ammonia -> Oxygen
Ammonia -> Carbon
The process of denitrification refers to the conversion of
Gaseous Nitrogen -> Nitrite
Gaseous Nitrogen -> Nitrate
Nitrite -> Gaseous Nitrogen
Nitrate -> Gaseous Nitrogen
