Students make predictions about the magnetic field of the new electromagnet in Experiment 4. Which prediction correctly states how replacing the core will change the magnetic field in the new electromagnet compared to the original?

The strength of the magnetic field will increase, causing the new electromagnet to pick up more pins.

The size of the magnetic field will increase, causing the voltage running through the wire to decrease.

The size of the magnetic field will decrease, causing the new electromagnet to pick up fewer pins.

The strength of the magnetic field will decrease, causing the voltage running through the wire to increase.

The table shows two types of communication systems that are used to transfer information to different locations on Earth. Which statement explains how a satellite and a fiber optic cable transmit information?

The satellite and fiber optic cable both use waves to transmit information.

The satellite uses a receiver to transfer information, and the fiber optic cable does not require a receiver to transfer information.

The satellite can store information as waves, and the fiber optic cable cannot store information.

The satellite and fiber optic cable both use wires to transmit information.

The images show two 250 million-year-old fossils discovered by a paleontologist at two separate sites. A student argues that the fossils share similar characteristics, so one must have evolved from the other. Which analysis of the argument is correct?

The student is incorrect. The fossils demonstrate the diversity of life 250 million years ago.

The student is correct. The fossils are from the same time frame, which had few organisms, so all are related in some way.

The student is correct. The fossils show clear evidence of an evolutionary link through the number of rib bones.

The student is incorrect. The fossils are found in different locations, so they are unrelated to each other.

The diagram shows the change in the emission spectrum of a distant galaxy over time when observed from Earth. Which conclusion about the galaxy is correct?

The galaxy is moving toward Earth.

The galaxy is moving away from Earth.

A student places several plastic beads on a metal plate over a speaker. The student plays a tone on the speaker, and the beads begin to vibrate. Which changes can the student make so that the beads vibrate with more energy?

Increase the frequency of the tone, and increase the volume of the tone.

Increase the volume of the tone, and increase the wavelength of the tone.

Increase the wavelength of the tone, and increase the frequency of the tone.

Increase the thickness of the plate, and increase the number of beads on the plate.

If changes in climate at Punta Tombo decrease the food sources of the penguins, what most likely would be the expected change in the distribution of penguin traits?

Penguins with longer flippers and larger bills will be more common.

Penguins with shorter flippers and smaller bills will be more common.

Penguins with longer flippers and smaller bills will be more common.

Penguins with shorter flippers and larger bills will be more common.

Which explanation describes why the percent chick survival rate changed throughout the time of the study?

Years with lower resources result in more competition, and the penguins with larger bills and flippers are more likely to survive and reproduce.

Years with more penguin chicks have more competition for resources, and the chicks will grow to survive and reproduce in all conditions.

Penguins with larger bills and flippers are unable to swim fast, so they are less likely to survive and reproduce in years with low resources.

Penguins with fewer chicks are less likely to survive and reproduce again in years with more resources.

In years of high chick survival, what accounts for the size of traits returning to the average level?

Variation in traits is natural in a population, and in years with enough resources, penguins with varied traits can survive and reproduce.

Penguins with smaller bills and flippers can survive better in years with high competition, which reduces the overall sizes.

The size of bills and flippers on a single penguin can reduce in the years with low competition.

Traits that are more common in years with limited resources cannot be passed on to offspring in later years with enough resources.

Which conditions at Punta Tombo would most likely lead to years where penguins develop average beak and flipper sizes?

increased rainfall washing nutrients into the ocean

rising sea levels decreasing beach space

high levels of seismic activity producing tsunamis

seasonal progression of Earth around the Sun

The natural diamonds mined today were formed billions of years ago about 100 miles beneath the surface of Earth. Extreme heat and high pressure formed the crystals. The diamonds traveled to the surface by volcanic eruptions. The table shows a map of several countries and lists the diamond reserves. Why are the world’s natural diamonds unevenly distributed between different countries?

Diamonds must travel upward to the surface fast, embedding in volcanic material as it cools. These conditions are rare worldwide.

Diamonds form about 100 miles beneath the surface of Earth where the magma is hot. Some countries are larger than others.

It takes billions of years for natural diamonds to form. Some countries are much older than others.

Extreme heat and high pressure are required for diamonds to form. These conditions do not occur in all countries.

The diagram shows the embryological development of a bird and a cat. Which conclusion about the stages in the developing bird and cat does the diagram support?

The similarities in the early stages of embryo development indicate they have a common ancestor.

The similarities in the later stages of embryo development indicate they do not have a common ancestor.

The differences in the later stages of embryo development indicate they have a common ancestor.

The differences in the early stages of embryo development indicate they do not have a common ancestor.

Why is the image generated using the space telescope more detailed than the image generated using the ground telescope?

The space telescope is above the blurring effects of Earth’s atmosphere.

The space telescope is larger in size than the ground telescope.

The space telescope detects visible light from the objects in space.

The space telescope has more lenses than the ground telescope.

A student uses the map to claim that the volcanoes on the islands of Kaua’i and O’ahu are not active, but the volcanoes on the island of Hawaii are active. Which best evaluates the student’s claim?

The student is correct because the Pacific Plate moved, carrying older volcanic islands away from the hot spot.

The student is correct because the hot spot moved away from the older volcanic islands.

The student is incorrect because the hot spot remained stationary, forming both older and newer volcanoes.

The student is incorrect because the hot spot is rising to be closer to Earth’s surface.

Which identifies and explains a plate boundary from Figure 1 where mountains that are tens of thousands of feet above sea level are expected to form?

Z; convergent plate boundaries cause one or more of the plates to thrust upward, creating tall mountains.

Z; transform plate boundaries result in a large number of volcanoes and earthquakes that help build up tall mountains.

X; oceanic divergent plate boundaries lead to upwelling of massive amounts of molten material that often creates tall mountains.

X; continental divergent plate boundaries create rift valleys on one side of the boundaries and tall mountains on the opposite side.

Which would provide data to support the findings of von Humboldt?

The same fossils are found on the South American and African plates, which are thousands of miles apart, due to divergent plates.

Different fossils are found on the Caribbean plate and the Cocos plate because the Caribbean plate is in the Atlantic Ocean basin, while the Cocos plate is in the Pacific Ocean basin.

Different fossils are found on the eastern coasts of the North American and South American plates because they are both found on the eastern sides of the plates.

The same fossils are found on the Eurasian plate and the Indian plate because continental convergent plate boundaries tend to thrust up rocks and fossils, making them more visible.

Which statement accurately explains what is occurring at the Arabian and African plates located near plate boundary Y in Figure 1?

New seas can form from divergent plate boundaries, where two plates are moving away from each other.

The energy driving the processes of plate tectonics comes primarily from the gravitational attraction of the Moon on Earth and radiant energy supplied by the Sun.

River erosion changes the shape of the tectonic plates, which changes the direction of the plates’ movement.

Larger plates can move several hundred meters per year, but smaller plates can move more than one meter per year.

The Appalachian Mountains are located on the North American plate. They are not as tall as mountains located elsewhere on the plate. Which two forces act to reduce the height of the mountains?

crystallization of minerals in the crust

melting of rock at high elevations

New Zealand is a group of islands in the southwestern Pacific Ocean. The plates at location V are forming a deep ocean trench off the islands of New Zealand. Deep ocean trenches are extreme environments characterized by high pressure, low temperatures, and darkness. Which explains how natural selection affects a species at that location?

Natural selection favors individuals with traits that enhance their ability to survive and reproduce.

Natural selection promotes random genetic changes within a population.

Natural selection ensures equal distribution of resources among all members of a population.

Natural selection prevents any changes in the genetic makeup of a species over time.

The student proposes that sound waves behave similar to waves in the water. Which characteristic of sound waves does this observation support?

Energy moves without carrying matter.

Matter moves slow when energy moves fast.

Matter moves without carrying energy.

Energy and matter move at the same speed.

The purpose of NASA’s NEAR mission was to land a spacecraft on an asteroid called Eros to learn about the asteroid. To prepare for landing on Eros, engineers ran computer simulations to see how long to fire the landing rockets, called burn time, to reduce the speed of the NEAR spacecraft. The spacecraft can land safely at a speed between 1.5-1.8 m/s. The table lists three simulation results. What would happen to the NEAR spacecraft if the engineers used the burn time from Simulation 3 for the mission to Eros?

C. The spacecraft would hit Eros with a large force, receiving an equally large force from Eros on landing. This could damage the spacecraft.

A. The spacecraft would hit Eros with a larger force than the force received back from Eros on landing. This could cause the asteroid to move.

B. The spacecraft would hit Eros with a smaller force than the force received back from Eros on landing. This could cause the spacecraft to bounce high off the surface of the asteroid.

D. The spacecraft would hit Eros with a small force, receiving a large force from Eros on landing. This could allow the spacecraft to land safely.

The map shows regions in the United States according to the chances of earthquake damage. Two regions, X and Y, are marked on the map. Based on the map, which statement is true?

Region X is more prone to earthquakes than region Y, and the buildings in region X should have stronger beams, pillars, and walls to hold them together when the ground shakes.

Both regions X and Y are not prone to earthquakes, and the buildings in both regions do not need any special rules for construction.

Both regions X and Y are equally prone to earthquakes, and the buildings in both regions should follow the same rules about how to make them stronger.

Region Y is more prone to earthquakes than region X, and the buildings in region Y should have devices that can slow down the shaking and bouncing during an earthquake.

People see a large firework explode at night, but it takes more than a second for the people to hear the sound of the explosion. Which relationship between light and sound waves does the example show?

The speed of light is faster than the speed of sound because sound waves must be transmitted through matter, but light waves do not.

The speed of light and the speed of sound are the same during the heat of the day, but sound moves more slowly at night because the air is cooler.

The speed of light is faster than the speed of sound because light waves are made of pure energy, while sound waves do not possess any energy.

The speed of light is faster than the speed of sound because sound waves do not interact with matter, whereas light waves must interact with matter.

Which evidence shows that the bat applied an unbalanced force on the balls?

The motion of the balls changed after a force was applied by the bat.

The distance the balls traveled was the same after being hit by the bat.

The balls traveled at a constant speed after being hit by the bat.

The balls applied a force on the bat to balance the force applied by the bat.

Which conclusion is supported by the data in the table?

An object with a larger mass will have a larger change in motion and will travel the farthest.

An object with a larger mass will have a smaller change in motion and will travel the farthest.

An object with a smaller mass will have a larger change in motion and will travel the farthest.

An object with a smaller mass will have a smaller change in motion and will travel the farthest.

Diabetes is a disorder where the body does not produce the insulin it needs. Diabetes was treated using insulin extracted from cow and pig pancreases. This process was slow and expensive. Now insulin can be produced easily and in large amounts from genetically modified bacteria colonies. How is the use of bacteria to produce insulin beneficial?

It helps produce more insulin at a lower cost.

It helps enhance the effects of human insulin.

It helps check the proper functioning of insulin.

It helps bacteria produce insulin to cure diabetes.

8th Science TN Ready Practice 3

Quiz

•

Physics

•

8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS1-5, MS-LS2-4, MS-PS4-1

+30

Standards-aligned

Elese Gleeton-Wilson

Used 2+ times

FREE Resource

38 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Golden rice is a variety of rice that has been genetically modified to produce beta-carotene, which is an essential nutrient. Which is the most likely reason for the development of golden rice?

Golden rice will be more visible for harvesting, reducing the amount of time farmworkers spend in the fields.

Golden rice will improve the diets of people in communities that consume rice as a major food source.

Golden rice will grow faster and be resistant to disease, allowing rice to be grown in different climates.

Golden rice will be more profitable for farmers growing and selling rice, allowing the farmers to plant less rice overall.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The model shows a wave hitting an object. Which figure completes the diagram, modeling only transmission?

Option A

Option B

Option C

Option D

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The model shows two objects, X and Y, in space. X revolves around Y, and both spin on their own axes.

the unequal sizes of X and Y

the similar circular shape of X and Y

the force of gravity between X and Y

the rotation speeds of X and Y

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows two seismic stations, X and Y, and the epicenter of an earthquake. Only one of the seismic stations records S-waves from the earthquake. A student uses information from the seismic stations to create a model of Earth’s interior. Clay is used to represent solid layers, and corn syrup is used for liquid layers. Which seismic station detected S-waves, and how did the seismic information allow the student to create the model of Earth’s interior?

Seismic station X detected S-waves and shows the presence of a solid inner core, where S-waves can travel.

Seismic station Y detected S-waves and shows the presence of a solid inner core, where S-waves can travel.

Seismic station X detected S-waves and shows that the outer core must be liquid as S-waves only travel through solids.

Seismic station Y detected S-waves and shows that the outer core must be liquid as S-waves only travel through solids.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which question were the students investigating in Experiment 1?

How does changing the voltage affect the number of pins picked up by the electromagnet?

How does changing the number of loops affect the number of pins picked up by the electromagnet?

How does changing the number of loops affect the voltage of the electromagnet?

How does changing the number pins affect the voltage of the electromagnet?

Tags

NGSS.MS-PS3-5

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The students decide to create an electromagnet based on their results from Experiments 1 and 2. Which two designs pair the electromagnet with expected results?

An electromagnet with 10 loops attached to a 0.7 V power source will pick up about 30 pins.

An electromagnet with 30 loops attached to a 3.0 V power source will pick up about 75 pins.

An electromagnet with 40 loops attached to a 3.0 V power source will pick up only 15 pins.

An electromagnet with 20 loops attached to a 0.7 V power source will pick up about 15 pins.

An electromagnet with 30 loops attached to a 1.5 V power source will pick up only 25 pins.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which table best predicts the results observed on the force meter in Experiment 3?

Table A:

Distance 30 mm, Amount of Force small; and

Distance 50 mm, Amount of Force large

Table B:

Distance 30 mm, Amount of Force large;

and

Distance 50 mm, Amount of Force small

Table C:

Distance 30 mm, Amount of Force small;

and

Distance 50 mm, Amount of Force small

Table D:

Distance 30 mm, Amount of Force large;

and

Distance 50 mm, Amount of Force large

Tags

NGSS.MS-PS2-5

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8th Science TN Ready Practice 3

38 questions

Golden rice is a variety of rice that has been genetically modified to produce beta-carotene, which is an essential nutrient. Which is the most likely reason for the development of golden rice?

The model shows a wave hitting an object. Which figure completes the diagram, modeling only transmission?

The model shows two objects, X and Y, in space. X revolves around Y, and both spin on their own axes.

Which question were the students investigating in Experiment 1?

The students decide to create an electromagnet based on their results from Experiments 1 and 2. Which two designs pair the electromagnet with expected results?

Which table best predicts the results observed on the force meter in Experiment 3?

Students make predictions about the magnetic field of the new electromagnet in Experiment 4. Which prediction correctly states how replacing the core will change the magnetic field in the new electromagnet compared to the original?

Using the design of Experiment 3, at which distance apart will a force meter record the largest force between the two electromagnets?

The table shows two types of communication systems that are used to transfer information to different locations on Earth. Which statement explains how a satellite and a fiber optic cable transmit information?

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