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WorksheetsEnvironmental Science Semester Exam Review
Total questions: 50
Worksheet time: 25mins
What is the best definition of science
A list of facts about a subject, like trees.
A process for gathering information about the natural world.
A class you have to take in order to graduate.
A method, that when used correctly, can answer any question.
A hypothesis is
A possible answer to a question.
An observation.
A guess.
The answer to a question.
When you conduct an experiment, which one of these describes the condition that is measured?
the data
the observation
the independent variable
the dependent variable
What is the fourth step in the scientific method?
create a hypothesis
analyze data
perform an experiment
share your results
If I go to sleep earlier then I will be less tired in the morning. What is the independent variable?
how tired you are
how awake you feel
the time you go to sleep
the time you wake up
I didn't follow the directions Mr. Culp put on the assignment so Mr. Culp took some points off my score. What is the dependent variable?
your grade
Mr. Culp's directions
how annoying Mr. Culp is.
what sort of mistake you made.
People who graduate from high school make $20,000 more per year, on average, than someone who doesn't graduate. What is the independent variable?
$20,000
graduating
the jobs graduates get
going to college
What is it called when scientists publish what they have learned from their experiments?
peer review
data dumping
information dissemination
publish or perish
Why is it important that scientists publish the results of their experiments?
people love to read scientific papers, and the scientists will have a best-selling novel.
to have others check their work
to show how smart they are
all of these are correct
At the end of the nine weeks you can throw out your lowest ___ if we have taken at least ___ of them.
test, 2
quiz, 4
test, 4
test and quiz, 4 of each
classwork assignment, 10
If you miss three days with an excused absence, how many days do you have to make up the missed assignments?
3
6
1
There is no time limit since the absence was excused.
This is where you'll find most of a the DNA in a eukaryotic cell
mitochondrion
nucleolus
golgi apparatus
nucleus
choanocyte
What organelle is responsible for breaking things down and recycling them?
lysosome
vacuole
ribosome
Golgi apparatus
Peroxisome
This organelle, which is found in plants, converts light energy into sugar.
Smooth ER
Rough ER
Chloroplast
Mitochondrion
The ribosomes are made by the
Rough ER
Smooth ER
Centriole
Nucleolus
Which structure is not found in the cytoplasm?
Nucleolus
Central Vacuole
Ribosomes
Mitochondria
You can find all of these.
What is the process plants use to make sugar and oxygen from light, water, and carbon dioxide?
dehydration
hydrolysis
homeostasis
photosynthesis
Which organelle receives material from the ER, then sorts and packages the material before shipping it out?
Central Vacuole
Lysosome
Peroxisome
Golgi apparatus
Some cells have long whip-like parts that help them move. What are these structures called?
flagella
spindle fibers
cilia
microvilli
What is the organelle that is responsible for cellular respiration? It turns food into energy the cell can use.
chloroplast
mitochondrion
nucleus
nucleolus
This is a firm structure that protects and gives shape to the cells of plants.
cell wall
cell membrane
spicules
chloroplast
There is going to be a picture of a cell and you are going to have to know the parts. This is true. I promise.
True
False
It's probably false.
Mr. Culp is annoying, and a liar, so this is false.
What term describes a group of different species that live together in a defined area?
community
ecosystem
population
biosphere
A caterpillar eats the leaves of plants. What type of organism is a caterpillar?
primary producer
carnivore
autotroph
herbivore
A bird eats caterpillars. What type of organism is a bird?
autotroph
omnivore
herbivore
carnivore
What term would describe all of the organisms that live in a pond?
a population
a community
an ecosystem
a biome
What level of ecological study fallows all the members of one type of organism in an area?
community
biome
ecosystem
population
individual
Which is a community?
a spider spinning a web between two trees to catch flies
a herd of buffalo
one mosquito
a school of tuna fish swimming in cold water
When the wolves were returned to Yellowstone National Park they changed the way many animal and plant species exist in the park. Just one species coming back affected many species. The wolves are acting like a
dominant predator
apex autotroph
keystone species
apex predator
Which of the following does not get energy from meat?
carnivore
omnivore
herbivore
decomposer
scavenger
What will you always find at the beginning of a food chain or at the bottom of an energy pyramid?
plants
predators
decomposers
dirt
herbivores
What means the same thing as heterotroph?
omnivore
autotroph
herbivore
consumer
producer
In the aquarium behind my desk there are guppies, betas, snails, plants, and lots of bacteria. The organisms in that aquarium make up what ecological level?
biome
community
ecosystem
population
Why are autotrophs the base of all food chains and energy pyramids?
They are the most efficient consumers so most of their energy can be passed on.
They recycle energy in the soil and make it available for primary consumers.
They make energy that consumers can use from light, water, and carbon dioxide.
They are not always the base of food chains and energy pyramids.
When a deer dies in the forest vultures and opossums will feed on the dead body. Vultures and opossums are
scavengers
carnivores
autotrophs
decomposers
detritivores
When a tree dies and falls down in a forest, termites and mushrooms will begin to break the tree down. termites and mushrooms are
scavengers
carnivores
autotrophs
decomposers
detritivores
Racoons will catch and eat fish. They will also eat berries and roots. They are
scavengers
omnivores
autotrophs
carnivores
herbivores
What is the smallest whole unit of matter?
atom
cell
nucleus
electron
Which subatomic particle has the greatest mass?
uranium
neutron
electron
the nucleus
Which statement is true?
Neutrons and electrons have the same charge.
Neutrons and protons have the same mass.
Protons and electrons have the same mass.
Electrons and neutrons are found in the same part of an atom.
Frequently atoms connect with each other. What do we call the connections?
bonds
joinings
connections
fusions
Sulfuric Acid’s chemical formula is H2SO4. That is two hydrogen atoms, one sulfur atom, and four oxygen atoms. What is sulfuric acid?
molecule
compound
both a molecule and a compound
neither a molecule nor a compound
What is Barium's atomic mass?
137.33
Ba
56
193.33
81.33
How many electrons does Barium have?
137.33
137
56
81
81.33
What does the number 204 (rounded) tell us about thallium?
The number of protons plus neutrons it has.
The number of neutrons it has.
The number of protons and electrons it has.
The number of neutrons and electrons it has.
What is the name for the number below the atomic symbol?
atomic number
atomic mass
element number
electronegativity index
What are elements?
different subatomic particles
different kinds of atoms
ions
noble gases
About 78% of our atmosphere is made up of this gas. It is two nitrogen atoms stuck together. What is it?
molecule
compound
both a molecule and a compound
neither a molecule nor a compound.
What is silver's PEN?
47, 47, 107
47, 47, 108
47, 47, 60
47, 47, 61
What is antimony's PEN?
51, 51, 121.76
51, 51, 121
51, 51, 70
51, 51, 71
