Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
hydrosphere, nitrogen cycle and force and fricti ...
0
%
0
0
0
Back
Restart
force that stretches materials
tension
Oops!
Okay!
How many percent of our atmosphere is nitrogen?
78%
Oops!
Okay!
How can we save water?
1. Take a shower not a bath 2. Turn off taps when brushing teeth or soaping body 3. Load dishwashers and washing machines completely before use.
Oops!
Okay!
How many liters of water does a human body loses in a day?
1.5 to 2 liters
Oops!
Okay!
name the special properties of sea water
1. it is salty 2. contains dissolved gases 3. temperature of salt water varies with depth
Oops!
Okay!
What is the most abundant gas in the atmosphere?
Nitrogen
Oops!
Okay!
____________ is liquid water changing to gas
evaporation
Oops!
Okay!
Name the three main properties of water
1. a powerful solvent 2. absorbs heat 3. cohesion and adhesion
Oops!
Okay!
_______________________- is water taht i located beneath the ground surface
groundwater
Oops!
Okay!
name the three main uses of water
agriculture, industry, domestic use
Oops!
Okay!
name the 5 process of nitrogen cycle (IN CORRECT ORDER)
FIXATION, NITRIFICATION, ASSIMILATION, AMMONIFICATION, DENITRIFICATION
Oops!
Okay!
How many percent of Earth's water is salt water?
97%
Oops!
Okay!
Name the three ways ocean water moves.
1. waves 2. ocean currents 3. tides
Oops!
Okay!
Another name for water cycle?
hydrologic cycle
Oops!
Okay!
_______________ is when surface water moves across the land forms rivers and streams
surface runoff
Oops!
Okay!
push or pull
force
Oops!
Okay!
__________________ are accumulation of snow on mountatin tops
glaciers
Oops!
Okay!
How many liters of water does our body lose everyday?
1.5 - 2 liters
Oops!
Okay!
Complete the sentence: ______________ contains much less salt than sea water
freshwater
Oops!
Okay!
What pollutes water?
waste water from industries and farmlands, 2. sewage water 3. oil slicks 4. agricultutal fertilizers and pesticides
Oops!
Okay!
How do we lose water in our body?
by sweat, urine and respiration
Oops!
Okay!
what is meant by anomalous dilation?
when water freezes, it dilates or increases in volume
Oops!
Okay!
______________ is when water vapor changes into liquid, forming clouds and dew
condensation
Oops!
Okay!
_________________ is when surface water filters into the ground
infiltration
Oops!
Okay!
force that squashes materials
compression
Oops!
Okay!
____________ are water courses fed by rain
streams or torrents
Oops!
Okay!
Plants absorb nitrates from the soil into their roots. Then the nitrogen gets used in amino acids, nucleic acids, and chlorophyll.
assimilation
Oops!
Okay!
TRUE or FALSE. Nitrogen can be readily absorbed by plants and animals.
false
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies