Worksheetsuntitled
Total questions: 40
Worksheet time: 1hrs 23mins
When matter changes appearance but remains the same substance, it has gone through a...
physical change
chemical change
Materials made by humans through chemically changing natural resources are called?
Nonrenewable Resources
Synthetic Materials
Renewable Resources
Natural resources are?
Resources that exist within the environment without humans having to intervene, or put them there.
Resources that exist within the environment through due to human actions.
Organic substrates found deep within the earth's lithosphere
Which of the following is NOT a natural resource?
wood
cotton
oil
plastic
coal
What has to be true about an object for it to have kinetic energy?
it must be moving
it must be elevated
it must be experiencing a net force
it must be accelerating
What is energy?
The pivot point allowing a lever to move
A push or a pull
Measurement of weight
The ability to move or allow something to move
What is an example of potential energy?
A book sitting on a shelf
A car moving down the highway
A person playing basketball
Both B and C
At point 1, what is the gravitational potential energy (GPE)?
4 J
50 J
200 J
1960 J
What is the definition of Energy?
a change in speed or direction
the ability to cause changes, apply a force, or do work
a force that works against motion as surfaces rub together
the energy an object has because of its motion
What is Potential Energy?
the energy an object has because of its position or shape
how quickly an object is moving
a measure of how difficult it is to stop a moving object
What is Speed?
the energy an object has because of its position or shape
how quickly an object is moving
a measure of how difficult it is to stop a moving object
Water is a __________ of cellular respiration.
glucose
carbon dioxide
water
oxygen
Chloroplasts are the location of photosynthesis.
True
False
Cellular respiration is the process in which organisms break down food to release _______________.
Food
Water
Energy
Oxygen
As energy is transferred from one organism to another in a food chain, energy _______________.
doubles
remains the same
increases
decreases
The first step in the basic food chain is the ____________ which emits energy.
Producer
Consumer
Sun
Carnivore
Which of the following would NOT be in the first trophic level on an energy pyramid?
Tree
Grass
Worm
Wheat
Matter that make up the nonliving parts of an ecosystem, such as air and water
abiotic
biotic
composer
energy storage molecules
An organism that gets energy storage molecules by breaking down dead matter
primary consumer
secondary consumer
producer
decomposer
The part of the cell where photosynthesis happens
mitochondria
nucleus
ribosome
chloroplast
An organism that needs to eat in order to get energy storage molecules.
producer
consumer
decomposer
dead matter
All the living and nonliving things interacting in a particular area.
biodome
biosphere
ecosystem
space
The largest number of individuals of one species that an ecosystem can support over time is
biotic potential
carrying capacity
limiting factors
community
Which takes the longest?
primary succession
secondary succession
making toast
singing your ABCs
Primary succession takes longer than secondary succession because
fires take longer to recover from
there is no soil at the beginning of secondary succession
there is no soil at the beginning of primary succession
droughts and floods occur
If two animals need meat from the same prey, there is ________ for that food source
cooperation
competition
condensation
community
_______________ consists of all the organisms living in an area and the nonliving features of their environment
population
biosphere
community
ecosystem
In the predator - prey relationship, _________________.
the prey are producers
the prey hunts the predator for food
the prey keeps the predator population from growing too large
the predator hunts the prey for food.
A climax community is a community that
is at the beginning of succession
is about to experience a major change
is a stable community that no longer goes through major ecological changes
is always characterized by large trees
As plants in an area undergoing ecological succession die, _______________.
A ) no plants grow in their place
B) they are replaced by plants of the same species
C) they are replaced by plants of a new species
D) both B and C
A population cannot exceed the ____________ of its environment, which is the largest number of individuals that an ecosystem can support
limiting factors
biotic potential
population
carrying capacity
A symbiotic relationship in which one organism benefits and one is unaffected is
cooperation
commensalism
mutualism
parasitism
Heartworm in a dog is an example of
predator- prey
mutualism
commensalism
parasitism
_________________ can affect the amount of resources any individual can get.
competition
ecosystem
biotic potential
prey
