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WorksheetsFinal Exam Review
Total questions: 58
Worksheet time: 33mins
In an experiment, the variable that we keep the same in order to make the experiment fair is the _________________.
control
independent
dependent
hypothesis
The variable that we (the scientists) change is called the ___________________.
independent
dependent
control
hypothesis
Which brand of laundry detergent works better to remove grass stains?
Because of the water cycle, the amount of water on Earth _____________
is being used up rapidly
never changes-- it just moves around
is always changing
is all found in the oceans
Matter cannot be created or destroyed, but it CAN be...
changed
teleported
taken away
destroyed
What are the ingredients needed for photosynthesis?
sunlight, water, carbon dioxide
water, oxygen
glucose, oxygen
sunlight, soil
in a chemical change a ___________________ is formed.
solid
fairy dust
nothing
new substance
What are the two things that are formed in photosynthesis?
carbon dioxide and oxygen
glucose and oxygen
sunlight and water
nitrogen and helium
What makes a chemical change different from a physical change?
The molecules are changed in a chemical change
A chemical change only changes the appearance
A physical change forms a new substance
Chemical changes are not real
Why is the Statue of Liberty green?
it was painted
a chemical reaction between the copper and oxygen
it has always been green
mold
Why do the walls of our homes contain insulation?
because heat cannot pass through insulation and it keeps the house warm in the winter/cool in the summer
because it allows heat to easily pass through the walls
because it is fluffy
because it protects a house from lightning
What is the unit of measurement for the volume of liquids?
liters
meters
grams
pounds
What is the unit of measurement for mass?
grams
pounds
ounces
centimeters
What kind of change happens in photosynthesis?
physical change
chemical change
air change
no change
Which one of Newton's Laws does this picture represent?
Newtons 2nd law
Law of gravity
Newtons 1st law
Newtons 5th law
For every action force there is an equal and opposite reaction force
Newtons (N)
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
What are the main things that drive deep ocean currents?
birds and fish
waves and wind
differences in wind patterns
differences in temperature and salinity (salt content)
When you add heat to matter, its molecules _____________.
speed up and expand (get farther apart)
slow down and condense
speed up and condense
slow down and expand
What is penicillin?
silly putty made from rubber
a radar system
a type of ration
an antibiotic used to fight infection
Which one of these was NOT invented during or around the time of WWII?
penicillin
chocolate
radar systems
processed foods
The "C" in "CER" stands for ______________.
claim
evidence
reasoning
cool
The "E" in "CER" stands for _________________.
claim
evidence
reasoning
elephant
The "R" in "CER" stands for ___________________.
claim
evidence
reasoning
ravioli
_____________ energy is energy that is stored in an object.
kinetic
potential
thermal
total
__________________ energy is the energy of a moving object.
kinetic
potential
explosive
chemical
