Science NC Check In

Which best describes how the Gulf Stream affects the areas along the coast of North Carolina?

• It causes winds to move from north to south during the winter.

• It causes winds to move from north to south during the summer.

• It causes land temperatures along the coast to be colder in the winter.

• It causes land temperatures along the coast to be milder in the winter.

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NGSS.MS-ESS2-6

What would most likely happen if all of the decomposers in an ecosystem were removed?

• The animals in the ecosystem would die because of the spread of disease.

• The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.

• The plants in the ecosystem would begin to die out because of a decrease in available water.

• The animals in the ecosystem would eat other types of food because of a decrease in producers.

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A food chain in an ecosystem includes blackberry bushes, deer, and wolves. • Deer eat blackberries. • Wolves eat deer. If the population of wolves decreases, how will this affect the population of blackberry bushes?

• It will decrease because there will be fewer deer.

• It will increase because there will be fewer deer.

• It will decrease because there will be more deer.

• It will increase because there will be more deer.

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NGSS.MS-LS2-1

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Which statement best describes the relationship between the nervous system and the muscular system?

• The nervous system controls the muscular system.

• The muscular system controls the nervous system.

• The nervous system provides nutrients and oxygen for the muscular system.

• The muscular system provides nutrients and oxygen for the nervous system.

What causes a wagon to speed up when going down a hill?

• gravity

• friction

• air pressure

• mass

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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?

• amount of friction between the ball and the surface

• amount of force applied to the ball

• total time the ball rolled

• mass of the ball

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NGSS.MS-PS2-2

After lake water flows through a dam, which processes are most responsible for helping replace the water in the lake?

• precipitation and runoff

• transpiration and condensation

• condensation and runoff

• transpiration and precipitation

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NGSS.MS-ESS2-4

In what way are insects and humans similar?

• Both are single-celled organisms.

• Both are multicellular organisms.

• Both have cells that capture sunlight to make food.

• Both have cells that carry out all life functions.

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NGSS.MS-LS1-1

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Which human body systems are located throughout most of the body?

• digestive and respiratory

• skeletal and respiratory

• nervous and circulatory

• respiratory and circulatory

A mouse eats seeds and insects. Which best describes the role of the mouse?

• consumer

• decomposer

• herbivore

• producer