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WorksheetsScience 1st Final Exam Study Guide
Total questions: 20
Worksheet time: 10mins
What is the charge of a neutron?
Negative
Positive
Neutral
Awesome
When a glass of water evaporates this is a____________?
Physical Change
Mental Chnage
Chemical change
Problem
The boiling point of water is_________. The melting point of water is_________.
0C, 100C
0F, 100F
101C, -4C
100C, 0C
When a reaction takes place matter is _______________
Confused
Conserved
Changed
Destroyed
In order for a chemical reaction to occur what must happen?
Bonds are broken and molecules are reformed
Protons are broken and electrons are reformed
Bonds are broken and bonds are reformed
Atoms are broken and atoms are reformed
The trophic level with the least mass in an ecosystem is the_______?
Secondary Consumers
Primary consumers
Producers
Tertiary consumers
In every ecosystem, the energy originally comes from
Decomposers
Sun
Nutrients in the soil
Other organisms
Which organism in an ecosystem supplies minerals and nutrients to the producers?
Decomposers
Sun
Producers
Scavengers
Which of the following is a reactant for cellular respiration?
Glucose
Water
Energy
Carbon Dioxide
Which of the following does NOT return atoms to the nonliving part of an ecosystem?
Cellular respiration
Photosynthesis
Burning fossil fuels
Decomposition
How does density affect the growth of a population?
The higher the density, the LESS competition for resources and the lower the density, the LESS competition for resources
The higher the density, the MORE competition for resources and the lower the density, the MORE competition for resources
The higher the density, the MORE competition for resources and the lower the density, the LESS competition for resources
The higher the density, the LESS competition for resources and the lower the density, the MORE competition for resources
Which is an example for competition
Wolves work together to catch prey.
A fish gets eaten by a shark.
A lion and a hyena fight over a gazelle.
A gecko camouflages itself on a rock.
What does mutualistic mean?
One species benefits and the other nothing happens.
Both species benefit.
One species benefits the other gets harmed.
Both species are harmed.
What is the niche of a vulture?
Consumer
Predator
Scavenger
Producer
If an organism in an ecosystem is using resources, what does that do for resource availability for other organisms?
The amount of resources available to other organisms in that ecosystem increases.
The amount of resources available to other organisms in that ecosystem decreases.
True or False Photosynthesis and Cellular respiration are not opposites.
True
False
If sheep survived mainly on grass and there was a fire that eliminated their food source, what would happen to the sheep?
The sheep population would increase
The sheep population would decrease.
The sheep population would take over da world.
The sheep population would build a Roman empire on a remote island in the Bahamas.
Which definition best describes the relationship between a parasite and its host?
A symbiotic relationship where one species benefits and the other does not benefit nor is it harmed.
A symbiotic relationship where one species benefits and the other is harmed.
A symbiotic relationship where one species is eaten by the other.
A symbiotic relationship where both species benefit.
In a desert what would be hard for producers to acquire
Water
Minerals
Sunlight
Soil
Energy is either used or __________
Destroyed
Recycled
Changed
Stopped
