Weather
Weather 2
Ecosystems
Body Systems
Force & Motion
Organisms
100
Which type of weather is most often produced by a low air pressure
system?
A. cold
B. hot
C. rainy
D. sunny
C. rainy
100
Which most likely produces clear, cool weather?
A. zero air pressure
B. stable air pressure
C. a low pressure system
D. a high pressure system
D. a high pressure system
100
Which type of animal usually eats both producers and consumers?
A an omnivore
B a carnivore
C a herbivore
D a predator
A an omnivore
100
Which system in the human body includes the heart, blood, arteries, and veins?
A cardiovascular
B digestive
C muscular
D respiratory
A cardiovascular
100
A ball is kicked and rolls along a level field until it comes to a stop. What is most
responsible for the ball coming to a stop?
A air
B gravity
C mass
D friction
D friction
100
Which is an example of a singlecelled organism?
A. fish
B. tree
C. fungi
D. human
C. fungi
200
Which best describes a hurricane?
A a low-pressure weather system
B a high-pressure weather system
C a cold front
D a stationary front
A a low-pressure weather system
200
How does the energy from the sun influence the water cycle?
A by trapping water particles in clouds
B by turning liquid water into water vapor
C by causing water to precipitate
D by creating winds in the atmosphere
B by turning liquid water into water vapor
200
Which classification best describes herbivores?
A producers
B consumers
C predators
D decomposers
B consumers
200
How does the skeletal system benefit the nervous system?
A. It protects the lungs.
B. It protects the heart.
C. It protects the brain and spinal cord.
D. It protects the esophagus and stomach.
C. It protects the brain and spinal cord.
200
What causes a wagon to speed up when going down a hill?
A gravity
B friction
C air pressure
D mass
A gravity
200
Which must a single-celled and a multi-celled organism both be able to do?
A. hunt
B. mate
C. get nutrients
D. talk to each other
C. get nutrients
300
Which instrument is best used to predict weather changes?
A a hygrometer
B an anemometer
C a thermometer
D a barometer
D a barometer
300
On a June day, a warm, moist air mass slowly passes over a colder air mass in
North Carolina. What will most likely happen next?
A Rain will fall.
B Cirrus clouds will form.
C Skies will clear.
D Atmospheric pressure will rise.
A Rain will fall.
300
Which has the greatest effect on the amount of salt in a salt marsh?
A the number of animals living in the marsh
B the closeness of the marsh to the ocean
C the depth of the water in the marsh
D the temperature of the water in the marsh
B the closeness of the marsh to the ocean
300
In what way are the digestive and circulatory systems alike?
A Both protect organs in the body.
B Both control movement of the body.
C Both absorb gases or nutrients into the body.
D Both provide structural support for the body.
C Both absorb gases or nutrients into the body.
300
A bowling ball moves across a flat surface at 7 feet per second. If a student is asked to calculate the total distance traveled by the ball, what other information does the student need to know?
A amount of friction between the ball and the surface
B amount of force applied to the ball
C total time the ball rolled
D mass of the ball
C total time the ball rolled
300
Which is a characteristic of most single-celled organisms?
A They have a complex nervous system.
B They contain several different types of cells.
C They perform all life processes.
D They have a circulatory and a respiratory system.
C They perform all life processes.
400
How do plants return water back into the environment?
A by evaporation
B by condensation
C by runoff
D by transpiration
D by transpiration
400
After lake water flows through a dam, which processes are most responsible for
helping replace the water in the lake?
A precipitation and runoff
B transpiration and condensation
C condensation and runoff
D transpiration and precipitation
A precipitation and runoff
400
What will be most affected if the decomposers in an ecosystem are removed?
A the spread of disease
B the availability of water
C the quality of soil
D the distribution of organisms
C the quality of soil
400
Which human body systems are located throughout most of the body?
A digestive and respiratory
B skeletal and respiratory
C nervous and circulatory
D respiratory and circulatory
C nervous and circulatory
400
If a car is moving backward along a road, can its speed be measured?
A Yes, it can, because the car does not have friction acting on it.
B Yes, it can, because the car travels a distance in a certain amount of time.
C No, it cannot, because speed can only be measured if the car is moving forward.
D No, it cannot, because the distance traveled backward by a car cannot be measured.
B Yes, it can, because the car travels a distance in a certain amount of time.
400
In what way are insects and humans similar?
A Both are single-celled organisms.
B Both are multicellular organisms.
C Both have cells that capture sunlight to make food.
D Both have cells that carry out all life functions.
B Both are multicellular organisms.
500
Water droplets forming on the outside of a cold glass of water on a hot, summer
day is an example of which part of the water cycle?
A condensation
B evaporation
C precipitation
D transpiration
A condensation
500
Which best describes how the Gulf Stream affects the areas along the coast of North Carolina?
A It causes winds to move from north to south during the winter.
B It causes winds to move from north to south during the summer.
C It causes land temperatures along the coast to be colder in the winter.
D It causes land temperatures along the coast to be milder in the winter.
D It causes land temperatures along the coast to be milder in the winter.
500
What would most likely result if all plants in an area were destroyed?
A Consumer populations would increase because more sunlight would reach the ground.
B Decomposer populations would increase because more sunlight would reach the ground.
C Consumer populations would decrease because plants provide them with water.
D Consumer populations would decrease because plants provide them with energy.
D Consumer populations would decrease because plants provide them with energy.
500
What is the relationship between the respiratory system and the circulatory system?
A The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.
B The respiratory system exchanges oxygen and carbon monoxide with the circulatory system.
C The respiratory system exchanges oxygen and sugar with the circulatory system.
D The respiratory system exchanges oxygen and nitrogen with the circulatory system.
A The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.
500
Scientists discover an asteroid that is moving through space. What information is needed to determine the average speed of the asteroid?
A the mass and size of the asteroid
B the distance the asteroid is from Earth
C the direction the asteroid is moving and its distance from Earth
D how far the asteroid has moved in 24 hours
D how far the asteroid has moved in 24 hours
500
Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism?
A It is able to create new cells more slowly than other kinds of cells.
B It is large enough to capture the food it needs for growth.
C It is so small, it can survive in almost any place.
D It has the ability to carry out all of its life functions.
D It has the ability to carry out all of its life functions.
600
How does a sea breeze affect the weather?
A. It decreases land temperatures near the ocean.
B. It increases land temperatures near the ocean.
C. It decreases rain formation over land near the ocean.
D. It increases the cloud coverage over the land near the ocean.
A. It decreases land temperatures near the ocean.
600
Which is most responsible for the movement of weather systems across the
United States?
A the Gulf Stream
B the prevailing westerlies
C the southeast trade winds
D the jet stream
B the prevailing westerlies
600
What would most likely happen if all of the decomposers in an ecosystem were removed?
A The animals in the ecosystem would die because of the spread of disease.
B The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.
C The plants in the ecosystem would begin to die out because of a decrease in available water.
D The animals in the ecosystem would eat other types of food because of a decrease in producers.
B The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.
600
In what way are the circulatory system and the nervous system similar?
A They both perform the same function.
B They are both structural systems.
C They are both transport systems.
D They both involve the same organs.
C They are both transport systems.
600
Allison roller skated around her neighborhood. The graph below shows her position over time.
Between which hours did she skate the fastest?
A Between hours 0-1
B Between hours 1-2
C Between hours 2-3
D Between hours 3-4
D Between hours 3-4
600
Which best explains why animals need many cells?
A. to produce their own food
B. to remove waste materials
C. to perform all the functions necessary for life
D. to take in carbon dioxide and release oxygen
C. to perform all the functions necessary for life