WorksheetsAP Env. Review 2
Total questions: 73
Worksheet time: 37mins
What is science?
a hard subject
a field with mad scientists
an attempt to discover/predict how nature works
a way to explain stuff
Who uses the scientific method?
Lawyers
Artists
Scientists
Gardeners
Curiosity, skepticism, reproducibility, and peer review are considered...
words
the 4 features of scientific inquiry
the 4 features of the scientific process
the scientific method
What is another name for Scientific Law?
a theory
a model
law of nature
natural law
What is a scientific law?
a factual statement of why something is like that
a well tested and accepted description of things that repeatedly happen in nature
something that doesn't have a ton of evidence but is a description of things that repeatedly happen in nature
a theory
What is tentative science?
a well tested description of a natural phenomena
scientific results that have not been repeatedly tested and are not considered reliable
very reliable results
being hesitant to accept your hypothesis
What is another name for tentative science?
frontier science
reliable science
scientific law
scientific theory
Data, hypotheses, models, theories, and laws that are widely accepted by most scientists are...
facts
lies
reliable science
tentative science
What is a limitation of science?
there is no limit to science
bias
unbiased opinions
tons of data
Can something be proved/disproved absolutely?
no
yes
sometimes
Anything that has mass and takes up space is...
stuff
matter
density
buoyancy
What is radioactive decay?
Dying from radiation poisoning
a third life
nucleus gives off Alpha and Beta particles
the nucleus is dying
What is it called when atoms are split?
cutting in half
half life
nuclear fission
nuclear fusion
What is nuclear fusion?
atoms are split in half
atoms are fused together
atoms duplicate
atoms decay
What does the 1st law of Thermodynamics state?
when energy changes form, it always goes from a more useful form to a less useful form
energy cannot be created or destroyed
energy can be created and destroyed
when energy changes form, it always goes from a less useful form to a more useful form
What does the 2nd law of Thermodynamics state?
energy cannot be created or destroyed
energy can be created and destroyed
when energy changes form, it always goes from a more useful form to a less useful form
when energy changes form, it always goes from a less useful form to a more useful form
What percent of energy in the US is wasted?
74%
84%
94%
64%
What is feedback?
someones opinion
a critique
any processes that increases or decreases a change to a system
a check-in point
What are two types of feedback?
positive and negative
increased and decreased feedback
lower and upper feedback
simple and complex feedback
What is positive feedback?
a supportive feedback system
causes a system to change further in the same direction
causes a system to change in the opposite direction from which it is moving
having a positive attitude
What is an example of positive feedback?
recycling of aluminum
melting of polar ice
recycling of polar ice
melting of aluminum
What is negative feedback?
causes a system to change in the opposite direction from which it is moving
causes a system to change further in the same direction
having a negative attitude
being mean
Recycling of aluminum is an example of....
positive feedback
negative feedback
taking care of the environment
What is time delay?
lack of response between input into a feedback system and the response to the input
the point in which the fundamental shift in the behavior of a system occurs. Slows or delays the negative feedback system
waiting too long
hesitating
The point in which the fundamental shift in the behavior of a system occurs and the delays in the negative feedback system are known as....
time delay
tipping point/threshold level
carrying capacity
exponential growth
What is another name for the 1st law of thermodynamics?
law of conservation of mass
law of conservation of density
law of conservation of energy
law of conservation of thermodynamics
What percent of the world does the rainforest cover?
20%
2%
5%
35%
Where are half of the world's plant and animal species located?
the ocean
in Asia
In South America
in the Rainforest
If we destroy the rainforest, what could happen?
we would all die
the planet would be ugly
there would be a drastic change in weather patterns (drier)
we would have slower atmospheric warming
What are earth's 4 spheres?
stratosphere, lithosphere, hydrosphere, geosphere
atmosphere, stratosphere, troposphere, hydrosphere
atmosphere, hydrosphere, geosphere, biosphere
atmosphere, hydrosphere, stratosphere, biosphere
What is the inner layer of the atmosphere?
troposphere
stratosphere
What percent of our breathable air is oxygen?
78%
95%
21%
45%
What layer of the atmosphere contains the air we breathe?
atmosphere
troposphere
stratosphere
lithosphere
What layer in the atmosphere contains ozone?
troposphere
stratosphere
What are the 3 factors that sustain life on earth?
sun, water, air
sun, plants, air
one way flow of energy from the sun, cycling of nutrients, gravity
gravity, nutrient cycling, plants
What makes up an ecosystem?
the biosphere
multiple communities
one population
one organism
What is an autotroph?
producer
consumer
decomoposer
heterotroph
What is a trophic level?
feeding levels
a food web
parts of an ecosystem
What are the products of photosynthesis?
carbon dioxide and oxygen
glucose and carbon dioxide
glucose and oxygen
starch and glucose
Who are our primary consumers?
carnivores
herbivores
What do omnivores eat?
just meat
just plants
meat and plants
What are detritivores?
decomposers
omnivores
organisms that eat dead material
producers
What do decomposers release back into the soil?
germs
bacteria
nutrients
What is aerobic respiration?
the use of oxygen to convert glucose into carbon dioxide and water
does not use oxygen to break down glucose
What is anaerobic respiration?
doesn't use oxygen to break down glucose and produces methane as a waste gas
uses oxygen to break down glucose into CO2 and water
A sequence of organisms, each of which serves as a source of nutrients or energy for the next, is called...
a food web
a food chain
the way of life
What are interconnected food chains called?
a food web
an ecosystem
a mess
As energy goes through the trophic levels of food chains and webs, it...
increases
decreases
The dry weight of all organic matter in an organism is called...
weight
mass
density
biomass
What is Gross Primary Productivity (GPP)?
the rate at which an ecosystem’s producers convert solar energy into chemical energy in the form of biomass
the rate at which producers use photosynthesis to produce and store chemical energy minus the rate a which they use this stored chemical energy in aerobic respiration
What is Net Primary Productivity (NPP)?
the rate at which producers use photosynthesis to produce and store chemical energy minus the rate a which they use this stored chemical energy in aerobic respiration
the rate at which an ecosystem’s producers convert solar energy into chemical energy in the form of biomass
Which of the following has high NPP?
rainforests
deserts
wetlands
deciduous forest
What does earth's NPP limit?
how much we can eat
how long we survive
the available number of consumers that can survive on the earth
how many people die
What is another name for nutrient cycling?
recycling
biogeochemical cycling
__________ move continually through air, water, soil, rot, and living things
microbes
bacteria
water
nutrients
Which of the following is a biogeochemical cycle?
nitrogen cycle
helium cycle
argon cycle
hydrogen cycle
Which cycle is involved in precipitation, evaporation, and transpiration?
water cycle
carbon cycle
nutrient cycle
sulfur cycle
What percent of water on earth is fresh water?
90%
70%
0.024%
0.05%
Withdrawing large quantities from rivers and lakes, clearing vegetation and replacing with buildings and roads, and draining and filling wetlands are 3 ways _______ have altered the water cycle
animals
bacteria
humans
aliens
What molecule is the carbon cycle based off of?
CO2
carbon monoxide
carbon trioxide
organic chemistry
Are humans leaving a huge carbon footprint?
yes
no
What converts N2 into usable compounds?
microbes
roots
nitrogen fixing bacteria
CO2 fixing bacteria
What causes acid rain?
NO2 converts to nitric acid
sulfure converts to sulfuric acid
hydrogen and chlorine converts to HCL
The amount of nitrogen released by using inorganic fertilizers has been _________ by humans.
doubled
tripled
cut in half
Where is most sulfur stored?
rocks and minerals
water
ice
plants
Which of the following releases sulfur into the atmosphere?
the use of solar panels
burning sulfur containing coal and oil
electric cars
hydropower
What is a major component to ADP and ATP?
carbohydrates
oxygen
phosphorus
carbon
What is the holocene?
an era of relatively stable climate conditions following a glacial period
an era where humans are the major agents of change in the functioning of Earth’s life support system
What is the Anthropocene?
an era where humans are the major agents of change in the functioning of Earth’s life support system.
an era of relatively stable climate conditions following a glacial period
What does abiotic mean?
living things
non living things
using oxygen as the primary electron acceptor
not using oxygen as the primary election acceptor
What is the difference between a detritivore and a decomposer?
they are the same thing
a detritivore breaks down material and releases material into the soil; decomposer eats detritus
a detritivore eats detritus and dead material; decomposer breaks things down and releases nutrients into the soil
Which of the following is an abiotic factor?
plants
animals
hair
rocks
What converts nitrogen into usable forms?
water
bacteria
decomposers
the soil
