Water Quiz
- What is the chemical formula of water?
- Answer: H₂O
- What percentage of the Earth's surface is
covered by water?
- Answer: 71%
- How much of the Earth's water is
freshwater?
- Answer: 3%
- What is the process of water turning into
vapor called?
- Answer: Evaporation
- What is the process of water vapor turning
into liquid called?
- Answer: Condensation
- What is the term for the water cycle's
process of water moving through the soil and into the atmosphere?
- Answer: Transpiration
- What is the term for water in its solid
state?
- Answer: Ice
- What is the term for water in its gas
state?
- Answer: Water vapor
- Which is the largest source of fresh water
on Earth?
- Answer: Glaciers and ice caps
- What is the name of the process that
removes impurities from water by using a semipermeable membrane?
- Answer: Reverse Osmosis
- Which ocean is the largest on Earth?
- Answer: Pacific Ocean
- What is the term used for the water that
is stored underground in soil or rock formations?
- Answer: Groundwater
- What is the name of the process where
plants release water vapor into the air?
- Answer: Transpiration
- Which state of matter is water in when it
forms clouds in the sky?
- Answer: Gas (water vapor)
- What is the main source of water for most
human consumption?
- Answer: Rivers and lakes
- What is the term used for water that is
not contaminated and is safe for drinking?
- Answer: Potable water
- What is desalination?
- Answer: The process of removing salt from seawater to make it drinkable.
- Which water treatment process uses
chlorine to disinfect water?
- Answer: Chlorination
- What is the term for the natural process
where water is recycled through evaporation, condensation, and
precipitation?
- Answer: The Water Cycle
- What is the largest reservoir of liquid
freshwater on Earth?
- Answer: Lakes
- How many liters of water does the average
person drink per day?
- Answer: About 2-4 liters
- What is the term for water that falls from
the sky in the form of rain, snow, or hail?
- Answer: Precipitation
- What is the main component of the Earth's
atmosphere that allows water vapor to rise?
- Answer: Air
- Which part of the water cycle involves the
movement of water from oceans to the atmosphere?
- Answer: Evaporation
- What is the process of water filtering
through layers of rock and soil called?
- Answer: Infiltration
- What is a body of water that is smaller
than an ocean but larger than a lake called?
- Answer: Sea
- What is the name for the process where
water molecules break apart in the presence of light?
- Answer: Photolysis
- How does water help regulate body
temperature in humans?
- Answer: Through sweating and evaporation
- What is a significant source of freshwater
in the U.S.?
- Answer: The Great Lakes
- What is a water source that is typically
located beneath the Earth's surface?
- Answer: Aquifer
- Which U.S. city famously had a water
crisis in 2014 due to lead contamination?
- Answer: Flint, Michigan
- What do you call water that is above the
ground, such as rivers and lakes?
- Answer: Surface water
- What is the process of water moving from a
plant’s roots to its leaves?
- Answer: Capillary action
- What is the primary use of water in
agriculture?
- Answer: Irrigation
- What water treatment process involves
removing solid particles from water?
- Answer: Filtration
- What is a popular method for removing
bacteria and viruses from water?
- Answer: UV (Ultraviolet) treatment
- What is the process called when water
changes directly from a solid to a gas?
- Answer: Sublimation
- What is the most common method for
purifying water in rural areas?
- Answer: Boiling
- How much water does it take to produce one
hamburger (in liters)?
- Answer: About 2,400 liters
- What is the term for water that has been
treated and is safe for consumption?
- Answer: Potable water
- What type of water filtration system
removes minerals like calcium and magnesium?
- Answer: Water softener
- Which of the following contaminants is
most commonly removed in water filtration systems?
- Answer: Chlorine
- What is the term for water that is not
safe for drinking?
- Answer: Non-potable water
- What is the process of adding chlorine or
ozone to water to kill bacteria?
- Answer: Disinfection
- What is a reverse osmosis system used for
in homes?
- Answer: To purify drinking water
- Which gas is dissolved in water that makes
it slightly acidic?
- Answer: Carbon dioxide (CO₂)
- What is the most common cause of water
pollution?
- Answer: Agricultural runoff
- What is the primary benefit of a whole
house water filtration system?
- Answer: It filters all the water entering a home for use.
- What is the term for water stored behind a
dam to be used later for energy or irrigation?
- Answer: Reservoir
- What are the large amounts of freshwater
stored in the Earth’s polar regions called?
- Answer: Ice sheets
- Which state in the U.S. is most known for
its scarcity of water?
- Answer: California
- What is the major water quality issue in
arid regions like the American Southwest?
- Answer: Water scarcity
- What is the process by which water changes
from a liquid to a gas?
- Answer: Evaporation
- What is the term for water contamination
caused by human activities?
- Answer: Anthropogenic contamination
- What type of water filter uses activated
carbon to remove contaminants?
- Answer: Carbon filter
- Which water purification method is
typically used for large-scale water treatment in cities?
- Answer: Chlorination
- How long can a person survive without
water?
- Answer: About 3 days
- Which element in water helps prevent tooth
decay?
- Answer: Fluoride
- What is the largest river in the world by
volume of water?
- Answer: Amazon River
- Which continent has the largest freshwater
reserves?
- Answer: Antarctica
- What is the average amount of water used
by an American family daily?
- Answer: About 300 gallons
- What is the term for water that is stored
in the atmosphere in the form of vapor?
- Answer: Humidity
- What water purification system uses a
semipermeable membrane to remove contaminants?
- Answer: Reverse Osmosis
- What is the largest freshwater lake in the
U.S.?
- Answer: Lake Superior
- What is a water molecule made up of?
- Answer: Two hydrogen atoms and one oxygen atom
- What is the water found in rivers, lakes,
and streams known as?
- Answer: Surface water
- Which type of pollution comes from a
single identifiable source?
- Answer: Point-source pollution
- Which process uses sunlight to power the
movement of water through the water cycle?
- Answer: Evaporation
- What is the term for the removal of excess
water from the surface of the soil?
- Answer: Drainage
- What causes acid rain?
- Answer: Air pollution from sulfur dioxide and nitrogen oxides
- Which famous river is known for its heavy
pollution in India?
- Answer: Ganges River
- What is the term for the underground layer
of water-bearing rock?
- Answer: Aquifer
- What is an example of an artificial water
reservoir?
- Answer: A man-made lake or pond created by a dam
- What is water hardness caused by?
- Answer: High concentrations of calcium and magnesium
- What does a water softener do?
- Answer: It removes hardness-causing minerals like calcium and magnesium
- What is the term for the water process of
converting liquid water into ice?
- Answer: Freezing
- Which U.S. city is known for having a
significant water shortage issue?
- Answer: Los Angeles
- How is desalinated water made drinkable?
- Answer: By removing salt from seawater
- What is the primary use of reverse osmosis
in homes?
- Answer: To purify drinking water
- What is the term for water that is
available for human use?
- Answer: Accessible water
- Which country has the largest supply of
freshwater on Earth?
- Answer: Brazil
- How many gallons of water does it take to
produce one gallon of milk?
- Answer: About 880 gallons
- What is a desalination plant used for?
- Answer: Removing salt from seawater to make it potable
- What is the process by which water moves
from an area of high concentration to low concentration through a
membrane?
- Answer: Osmosis
- What is the term for the amount of
dissolved oxygen in water?
- Answer: Dissolved Oxygen (DO)
- What kind of water filter is commonly used
in refrigerators?
- Answer: Carbon filters
- What is the key factor in determining the
color of ocean water?
- Answer: The absorption and scattering of light by water molecules
- What is a water reservoir used for?
- Answer: To store water for future use
- What is the most common contaminant found
in drinking water?
- Answer: Chlorine
- How can you conserve water at home?
- Answer: By fixing leaks, using low-flow appliances, and reducing water
use in landscaping
- Which part of the water cycle involves
water from the Earth's surface turning into vapor?
- Answer: Evaporation
- Which body of water is the longest river
in the world?
- Answer: Nile River
- What is the primary source of water
pollution worldwide?
- Answer: Industrial waste and agricultural runoff
- What is the main chemical dissolved in
water that is essential for plant growth?
- Answer: Nitrogen
- How does water reach the atmosphere in the
water cycle?
- Answer: Through evaporation and transpiration
- What is the term for the process by which
a liquid changes to a solid?
- Answer: Freezing
- What does the term "water
scarcity" mean?
- Answer: A lack of sufficient water resources to meet the needs of a
population
- What is the main water supply for
agriculture?
- Answer: Irrigation
- What is the key benefit of using a whole
house water filtration system?
- Answer: It ensures all the water used in a home is filtered and safe
- What is the term for water that is used
and then returned to a body of water? - Answer: Wastewater
Post a Comment