The diagram shows the two main parts of the body’s central nervous system. According to the diagram, which statement best describes the brain? SC.6.L.14.5

It is made up of several types of tissue that work together.

It is made up of several types of organs that work together.

It is made up of identical cells that work together.

It is made up of identical organ systems that work together.

Bill has athlete’s foot. After he walks barefoot through the locker room, his teammate Carlos contracts the disease. Which description tells what happened? SC.6.L.14.6

Bill transmitted a fungal infection to Carlos through a contaminated object.

Bill passed a bacterial infection to Carlos through contaminated food.

Carlos caught a viral infection from Bill through person-to-person transmission.

Carlos caught a parasitic infection from Bill through animal-to-person transmission.

Which of the following correctly lists the levels of classification in order? SC.6.L.15.1

domain, kingdom, phylum, class, order, family, genus, species

domain, kingdom, genus, species, phylum, class, order, family

genus, species, domain, kingdom, phylum, class, order, family

genus, species, phylum, class, order, family, domain, kingdom

What is a major physical characteristic that differs between members of Domain Bacteria and members of Domain Eukarya? SC.6.L.15.1

Members of Domain Eukarya have cells with membrane-bound organelles, and members of Domains Bacteria lack nuclei.

Members of Domain Eukarya are less complex than the members of Domains Bacteria.

Members of Domain Bacteria are multicellular, and members of Domain Eukarya are usually single-celled organisms.

Members of Domain Bacteria have structures for making their own food, and members of Domain Eukarya lack these structures.

Which of the following statements correctly identifies the general characteristics of organisms in a domain? SC.6.L.15.1

Domain Archaea includes single-celled organisms that can be found in extreme environments, like hot springs and thermal vents.

Domain Eukarya includes single-celled organisms that lack nuclei.

Domain Bacteria includes multicellular organisms that make their own food.

Domain Protista includes single-celled and simple multicellular organisms that have plantlike or animal-like characteristics.

The diagram below shows the changes over time in a population of mice in the wild. Which statement best describes why the mouse population changed over time? SC.7.L.15.2

The light mice are preyed upon more than the dark mice because they are more visible to the hawks.

The light mice are more attractive to the other mice and therefore reproduce more successfully than dark mice.

The dark mice are selected less than the light mice because they are less tasty to the hawks

The dark mice are easily spotted by hawks, so dark mice reproduce more rapidly to maintain the population size.

Individuals within a population have slightly different traits. How do these differences improve the likelihood that the population will survive? SC.7.L.15.2

Variation allows the population to survive changes in the environment because traits that are suited to the new environment already exist in the population.

Variation allows the population to produce offspring that will survive into adulthood.

Variation allows the population to create new genes to survive a significant change in the environment.

Variation allows individuals who are very different from the rest of the population to reproduce more successfully than “normal” individuals.

A species of rodent is living in a moist forest climate. Over time, the climate becomes drier and more desert-like. Which of these adaptations likely will improve the rodent’s chances of survival in its changing environment? SC.7.L.15.2

The rodent is active only at night.

The rodent eats only a specific type of berry.

The rodent lives above ground in damp areas.

The rodent has dark hair, small ears, and is active during the day.

Scientists suspect that modern horses have different dietary habits than horses that lived long ago. Which of the following would be best for a scientist to do to determine whether the dietary habits of horses have changed over time? SC.7.L.15.1

compare the teeth of modern horses to fossilized teeth from ancient horses

study the overall anatomy of a modern horse

compare the teeth of modern horses to the teeth of modern donkeys

study the diet of modern horses

The diagram below shows illustrations of fossilized forefeet and molar teeth from horses that lived during different time periods. The diagram also shows how the body shape and size of horses has changed over time. This fossil evidence provides support for the idea that: SC.7.L.15.1

modern organisms have evolved from earlier species.

modern organisms within a species are identical to their ancestors.

ancient species are now extinct and modern species have spontaneously generated.

changes can only occur in a species' feet and teeth.

Which of the following species of organisms is most likely to become extinct? SC.7.L.15.3

a species that is not adapted to its environment

a species that is well adapted to its environment

a species that has few offspring within a life cycle

a species that has many offspring within a life cycle

All organisms need instructions to specify their traits. The instructions, or code, that is responsible for all the inherited traits of an organism SC.7.L.16.1

is held in genetic material called DNA

is passed from the offspring to the parent.

is stored within the mitochondria of cells.

is formed after an organism is fully grown.

Having attached or unattached earlobes is an inherited trait. The figure below shows an attached earlobe and the two alleles responsible for this trait. Which statement correctly describes the genotype and phenotype? SC.7.L.16.2

The genotype is ee, and the phenotype is the attached earlobe.

The genotype is the attached earlobe, and the phenotype is e.

The genotype is e, and the phenotype is the attached earlobe.

The genotype is the attached earlobe, and the phenotype is ee.

Which of these statements correctly describes a difference between asexual and sexual reproduction? SC.7.L.16.3

Asexual reproduction involves one parent, and sexual reproduction involves two parents.

Asexual reproduction increases genetic diversity, but sexual reproduction does not.

Asexual reproduction increases a species’ chances of surviving unfavorable conditions, but sexual reproduction does not.

The offspring produced by asexual reproduction are not identical to each other, but those of sexual reproduction are identical to each other.

Which of following statements best shows a relationship of mutualism? SC.7.L.17.2

Small birds called Egyptian plovers sometimes get their food by picking off parasites off the hides of crocodiles.

Remoras are small fish that attach to sharks but do not harm them. When sharks tear prey apart, remoras eat the leftovers.

A Brown-headed cowbird abandons its eggs in a Cardinal's nest already full with eggs

A polar bear uses camouflage to sneak up on the seal in the Arctic.

What happens to a population when a resource that is a limiting factor in the environment suddenly becomes scarce? SC.7.L.17.2

The population size will decrease to a size that can be supported by that limiting factor.

The population size will increase until that limiting factor becomes abundant again.

The population size will remain the same and make use of other, more abundant limiting factors.

The population size will fluctuate as individuals adapt to the reduced availability of the limiting factor

Some consumers, such as many flying insects, need large amounts of energy to grow and move from one place to another. How do consumers get energy to function? SC.7.L.17.1

Consumers obtain all of their energy by eating other organisms.

Consumers obtain some energy from other organisms and some from sunlight.

Consumers obtain most of their energy by eating dead plant and animal materials.

Consumers produce their own energy through chemical processes such as photosynthesis

The diagram shows how energy is transferred between certain organisms in an ecosystem. Which of these statements explains why the sea grass is a producer? SC.7.L.17.1

It uses energy from the sun to make food.

It creates energy needed by the ecosystem.

It is eaten by other organisms.

It releases nutrients into the soil.

The Florida panther is an endangered species. It eats mostly white-tailed deer, wild pigs, raccoons, and armadillos, but it may also eat other small mammals and birds. The Florida panther used to live in forests, prairies, and swamps over most of the southeastern United States. Now it lives only in the southern tip of Florida, south of the Caloosahatchee River. What is the main factor that has contributed to the decline of the Florida panther population? SC.7.L.17.3

loss and breaking up of habitat

inbreeding from reproductive isolation

competition for territory between panthers

The figure below shows the organisms and other parts of a marsh. Each of its different parts is affected by the other parts. Which statement below best describes how herons might be affected if a long drought reduced the amount of water in the marsh? SC.7.L.17.3

Herons would have less food because they eat organisms that depend on the water

Herons would change their diets and eat different kinds of food.

Herons would not be affected, because they do not depend on the water.

Herons would migrate to another place and not suffer from the drought.

Within a food web, there are usually many different food chains. A particular organism may be a part of many different food chains. This global food web includes elements from a meadow ecosystem that interacts with a marsh ecosystem. Which of these is a food chain that is part of the global food web? SC.8.L.18.4

marsh grass → grasshopper → mouse → fox

meadow grass → rabbit → fox → hawk

marsh grass → snail → small fish → hawk

meadow grass → grasshopper → praying mantis → small fish

The diagram shows a simple food chain. Which statement supports the ecosystem represented by the food chain? SC.8.L.18.4

It can support more deer than panthers.

It can support more panthers than deer.

It can support the same number of panthers as it can deer.

The amount of grass does not affect the ecosystem.

Many aquatic food chains start with tiny organisms known as phytoplankton. Although these organisms are not plants, they are producers. What do phytoplankton have in common with plants? SC.8.L.18.1

They use photosynthesis to convert solar energy to chemical energy.

They have leaves, which they use to produce food and oxygen.

They have flowers and form seeds, which are carried by ocean currents.

They have roots, which prevent them from moving from one place to another.

Kristine goes to her neighborhood health club to exercise. The process of cellular respiration makes it possible for Kristine to run on the treadmill and to lift weights. What do her cells do during cellular respiration? SC.8.L.18.2

break down food molecules to release energy need to move

convert kinetic energy into chemical energy

absorb light energy through the chlorophyll in their chloroplasts

combine water and carbon dioxide to produce oxygen and glucose

This image shows the process of photosynthesis. How do plants obtain the water and carbon dioxide they use for this process? SC.8.L.18.3

Water enters through the roots and carbon dioxide enters through the leaves.

Carbon dioxide is absorbed from oxygen and water is taken in by the stems.

Water enters as rain falls on the stems and carbon dioxide is absorbed from fertilizer.

Carbon dioxide is absorbed through the roots and the leaves absorb water from the air.

Matter has two basic properties: physical properties and chemical properties. Which of these statements best describes physical properties? SC.8.P.8.4

Physical properties can be observed without changing the identity of a substance.

Physical properties behave identically for all matter under the same conditions.

Physical properties are observed by seeing how a substance reacts with other substances.

Physical properties cause atoms and molecules to change structure when substances are mixed.

Matter has two basic properties: physical properties and chemical properties. Which of these statements best describes physical properties? SC.8.P.8.4

Physical properties can be observed without changing the identity of a substance.

Physical properties behave identically for all matter under the same conditions.

Physical properties are observed by seeing how a substance reacts with other substances.

Physical properties cause atoms and molecules to change structure when substances are mixed.

A physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property? SC.8.P.8.4

the shine or luster of a metal or other object

whether or not a metal will rust

the tendency of a substance to explode

the way the substance reacts with water

A physical property can be observed or measured without changing the identity of a substance. Which of these choices is an example of a physical property? SC.8.P.8.4

the rate at which a metal transfers heat.

the effect of acid rain on automobiles

the combustion of gasoline in a car engine

Kavish mixes a black liquid and a clear liquid. He knows the two liquids do not mix well. Kavish allows the mixture to settle for 30 minutes. Which of these statements is true? SC.8.P.8.3

The clear liquid is less dense than the black liquid.

The clear liquid is less soluble than the black liquid.

The clear liquid is less reactive than the black liquid.

The clear liquid is less conductive than the black liquid.

Sun-Yee is comparing the substances and hot water inside a ceramic cup, and the water vapor above the cup. What can she say about the motion of the particles in all of the substances? SC.8.P.8.1

They move past each other slowly.

They move very fast in all directions.

How can the motion of the particles in a gas best be described? SC.8.P.8.1

particles that are far apart and move rapidly in all directions

particles that are far apart and do not move

particles that are close together and vibrate in place

particles that are close together and slide past each other

Nora notices water droplets on the grass in the morning. It did not rain during the night. How can the water particles in the air form water droplets on the grass during the night? SC.8.P.8.1

Energy was taken away from the water particles, allowing them to move closer together.

Energy was added to the water particles, causing them to move farther apart.

Energy was added to the water particles, causing attraction that makes them move closer together.

Energy was taken away from the water particles, allowing them to move farther apart.

Adnan measures the temperature of water as it changes states. He makes a graph of his data. He wants to add the properties of water that exist at each part of his graph. What labels can he add to the line between point 4 and point 5? SC.8.P.8.1

definite volume, definite shape

ALL OF MIDDLE SCHOOL SCIENCE REVIEW

Authored by Joshua Bozeman

Science

8th Grade

NGSS covered

Used 94+ times

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184 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Eugene drew the following diagram to describe the levels of structural organization of an animal’s body. He will list the most specialized level at the top. The level that is least specialized will be at the bottom. Which of the following should Eugene list in level 1 on his diagram?
SC.6.L.14.1

Organ

Tissue

Organism

Cells

Tags

NGSS.MS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is a multi-cellular organism most different from a unicellular organism?
SC.6.L.14.2

Each cell performs all special functions.

All cells perform the same special functions

Different kinds of cells perform special functions.

Different parts of its cells perform all special functions.

Tags

NGSS.MS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Part of the cell theory states that cells come from other cells. Which statement below explains that this part of cell theory applies to all organisms?
SC.6.L.14.2

The cells of all organisms excrete waste.

The cells of all organisms have cytoplasm.

The cells of all organisms divide to make more cells.

The cells of all organisms take in nutrients from their environment

Tags

NGSS.MS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The survival of cells depends on maintaining homeostasis. What will happen to a cell if homeostasis is not maintained?
SC.6.L.14.3

The cell will immediately divide.

Cell processes will continue unchanged

The cell will eliminate wastes more efficiently.

Many chemical reactions in the cell will slow down or even stop.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Look at the following diagram. Which of the following correctly names the type of cell shown and explains the evidence for that cell type?
SC.6.L.14.4

This is a plant cell, which is shown by the fact that it has a chloroplast.

This is a plant cell, which is shown by the fact that it has a ribosomes.

This is an animal cell, which is shown by the fact that it has mitochondria.

This is an animal cell, which is shown by the fact that it has a cell wall

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following choices includes two structures that are found in plant cells, but not in animal cells?
SC.6.L.14.4

cell wall, nucleus

chloroplasts, cell membrane

chloroplasts, mitochondria

cell wall, large central vacuole

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows parts of the human body that work together to help you digest the food you eat. What can you conclude about this diagram?
SC.6.L.14.5

It is made of just one type of cell.

It is made of just one type of organ system

It is made of two or more types of tissue that work

It is made of two or more types of organs that work together to perform a function

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ALL OF MIDDLE SCHOOL SCIENCE REVIEW

Eugene drew the following diagram to describe the levels of structural organization of an animal’s body. He will list the most specialized level at the top. The level that is least specialized will be at the bottom. Which of the following should Eugene list in level 1 on his diagram?SC.6.L.14.1

How is a multi-cellular organism most different from a unicellular organism?SC.6.L.14.2

Part of the cell theory states that cells come from other cells. Which statement below explains that this part of cell theory applies to all organisms?SC.6.L.14.2

The survival of cells depends on maintaining homeostasis. What will happen to a cell if homeostasis is not maintained?SC.6.L.14.3

Look at the following diagram. Which of the following correctly names the type of cell shown and explains the evidence for that cell type?SC.6.L.14.4

Which of the following choices includes two structures that are found in plant cells, but not in animal cells?SC.6.L.14.4

The diagram shows parts of the human body that work together to help you digest the food you eat. What can you conclude about this diagram?SC.6.L.14.5

The diagram shows the two main parts of the body’s central nervous system. According to the diagram, which statement best describes the brain?SC.6.L.14.5

Bill has athlete’s foot. After he walks barefoot through the locker room, his teammate Carlos contracts the disease. Which description tells what happened?SC.6.L.14.6

Which of the following correctly lists the levels of classification in order?SC.6.L.15.1

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Science

Eugene drew the following diagram to describe the levels of structural organization of an animal’s body. He will list the most specialized level at the top. The level that is least specialized will be at the bottom. Which of the following should Eugene list in level 1 on his diagram?
SC.6.L.14.1

How is a multi-cellular organism most different from a unicellular organism?
SC.6.L.14.2

Part of the cell theory states that cells come from other cells. Which statement below explains that this part of cell theory applies to all organisms?
SC.6.L.14.2

The survival of cells depends on maintaining homeostasis. What will happen to a cell if homeostasis is not maintained?
SC.6.L.14.3

Look at the following diagram. Which of the following correctly names the type of cell shown and explains the evidence for that cell type?
SC.6.L.14.4

Which of the following choices includes two structures that are found in plant cells, but not in animal cells?
SC.6.L.14.4

The diagram shows parts of the human body that work together to help you digest the food you eat. What can you conclude about this diagram?
SC.6.L.14.5

The diagram shows the two main parts of the body’s central nervous system. According to the diagram, which statement best describes the brain?
SC.6.L.14.5

Bill has athlete’s foot. After he walks barefoot through the locker room, his teammate Carlos contracts the disease. Which description tells what happened?
SC.6.L.14.6

Which of the following correctly lists the levels of classification in order?
SC.6.L.15.1