Worksheetsnitrogen cycle
Total questions: 19
Worksheet time: 14mins
What is the % of Nitrogen in the air?
21%
87%
78%
50%
Living organisms need Nitrogen to make which of the following?
Glucose
Proteins
Sunlight
Ultraviolet Radiation
How can Nitrogen gas (N2) be fixed into a usable form for plants?
Through the action of bacteria only
Through lightning only
Through the action of bacteria and lightning
True or False- Bacteria fix nitrogen from the atmosphere into a form that plants can use.
True
False
True or False- Animals can get the Nitrogen they need directly from the soil bacteria just like plants do.
True
False
What converts nitrogen gas into a usable form for plants and animals?
bacteria
rain
fungi
car exhaust
How do animals get the nitrogen they need?
From the air they breathe
From the water they drink
From the food they eat
From the sun
how is Nitrogen fixed naturally ?
Volcanic activity
Lighting
Greenhouse gases
bacteria
Fungs
Some plants contain nitrogen in there _________.
Leaves
Steam
Flower
Roots
What is lable A
Gas
Nitrogen in the Atmosphere
Clouds
Carbon dioxide in the atmosphere
All living things use energy and release gas as a waste product. What cycle explains the curculation of these gases?
Water Cycle
Oxygen-Carbon cycle
Nitrogen cycle
Which part of the water cycle includes water vapor gas changing to a liquid?
condensation
evaporation
precipitation
transpiration
A process through which a liquid changes into a gas
evaporation
condensation
precipitation
runoff
The continuous circulation of nitrogen from air to soil to organisms and back to air or soil
water cycle
oxygen-carbon cycle
nitrogen cycle
bi cycle
