EXAM 1 Review
WATER
What is a scientist doing when
they are testing a hypothesis?
O Experimenting
Refers to the path a stream
may follow
O Channel
What form of water is represented in the picture?
Gas
What are secondary resources?
O Books, Magazines, and newspapers
This type of water is found as
streams, rivers, and lakes
O Surface water
What do we call 2 or more atoms that are
linked together?
O molecules
What is specific heat?
O The amount of energy needed to heat a
substance by a particular amount
Which part of the scientific method
uses primary resources?
O Gathering information.
What is responsible for surface
currents?
O Wind
What is sublimation?
O Solid water changes to gaseous/water vapor
The upper boundary of ground
water
O Water Table
The property of water that allows water to
attach to dust in the air to form water
droplets
O Adhesion
Water typically flows along
________ in the bedrock.
O weaknesses
What form of water is represented in the
picture?
Solid
The area where groundwater becomes
surface water
O Discharge zone
Which section of the scientific method
would one find graphs, charts, and
calculations?
O Analyzing results.
What are the 3 processes in which
water can reach the atmosphere?
O 1. Evaporation
O 2. Transpiration
O 3. Sublimation
This type of water is found in space s
between rock particles below the surface of
the Earth
O Ground water
As water changes state, energy
can be _______or_______.
O Released/Stored
Stores and allows the flow of
groundwater
O aquifer
The water table can _____ or ____ depending on
the amount of water in the aquifer
O Rise/fall
This is an area of high ground
that separates watersheds
O Divide
The purpose of an experiment is found
in which part of the scientific method?
O Identifying the question
What are the four roles that water plays on
Earth?
O Influences weather
O Shapes Earth’s Surface
O Supports Life
O Supports Human Activity
Define Science.
O Science is a process of observing, studying,
and thinking about things in your world to
gain knowledge.
What is a scientist doing when he or
she is making a hypothesis?
O Making an educated guess.
Refers to the amount of space
between rock in an aquifer
O Porosity
The measure of how easily water can
flow through an aquifer
O Permeability
The movement of water between the
atmosphere, land, oceans and living
things is known as _________.
O The water cycle
What is a theory?
O A proven hypothesis.
The area where water trickles down
and enters an aquifer
O Recharge zone
What state of water is found in the picture?
liquid
These 3 processes absorb
energy from their environment
O Melting
O Evaporation
O Sublimation
What are the 5 characteristics of water that
are necessary to support life?
O All living things are made of water
O All biological processes use water
O Cellular chemistry
O Regulate Temperature
O Transport substances
Water’s properties of cohesion, adhesion, high
specific heat, and solvent are due to what?
O Polarity
Why does it take a lot of energy for
water change its state of matter?
High specific heat of water
These types of resources are
original research
O Primary Research
What is deposition?
O The process of water changing from a gas
directly to a solid.
At what point does
condensation occur?
O When water vapor is cooled enough
How are water droplets
formed?
O Water vapor latches on to small particles in
the atmosphere.
A series of steps used to solve a
problem is referred to as what?
O The Scientific method
What is freezing?
O Process where liquid water forms solid water
(ice).
What is transpiration?
O Water turns to water vapor inside a plant
and released into the atmosphere
During which part of the scientific method is a scientist
choosing variables?
O Testing the hypothesis
What is a controlled variable?
O A variable that remains constant or
unchanged.
This part of the scientific method answers
the main question of the experiment.
O Drawing Conclusions
What are 2 ways in which water can reshape
the Earth’s surface?
O Erosion-wearing away of rock
O Carries away soil and sediment
What is cohesion
O The property that holds molecules of a
substance together
What is an independent
variable?
O Variable that changes
Name the 3 processes where water
releases energy into its surroundings
O Freezing
O Condensation
O deposition
Where does evaporation
mostly occur?
O Over the oceans
What property of water allows water
droplets to “stick” together to form larger
water droplets?
O Cohesion
How does precipitation fall on
land?
O Winds carry clouds from ocean over land
How do clouds, fog and mist
form in the atmosphere?
O Water latches on to tiny particles to small
droplets of water.
What’ the process?
O Deposition
Name the process.
O Condensation
Name the process
O evaporation
Which part of the water molecule is
partially negative?
O Oxygen
What are water molecules made of?
O 2 Hydrogen atoms
O 1 oxygen atom
A liquid that is used to dissolve substances
is referred to as what?
O Solvent
What are atoms?
O Tiny particles that make up matter
Name the process
O freezing
Name the process
O Sublimation
Name the process
O melting
Name the steps of the scientific method
O Identify the problem
O Gather information
O Form a hypothesis
O Test the hypothesis
O Analyze data
O Form conclusions
What does it mean when something
exhibits polarity?
O Anything that has a positive charge at one
end and a negative charge at the other end.
Most of Earth’s water is found in what state
of matter?
O liquid
What is dependent variable?
O The variable that is being tested for.
A good experiment should be
______ and ______.
O Reproducible/repeatable
Name the 2 biggest uses of water in
agriculture
O Irrigation
O Care for Farm animals
What is precipitation?
O any form of water that falls to Earth from the
clouds
The End!!!!