2016 STAAR Grade 8 Science

Last updated about 4 years ago

54 questions

SCI.8.11a

SCI.8.8b

SCI.6.5c

SCI.8.6a

SCI.7.10c

SCI.8.5c

SCI.8.9b

SCI.8.11c

SCI.8.7a

SCI.6.8c

SCI.7.11c

SCI.8.5e

SCI.6.11b

SCI.7.14b

SCI.8.8a

SCI.8.6c

SCI.8.5a

SCI.8.11b

SCI.8.6a

SCI.7.6a

SCI.8.7b

SCI.6.8a

SCI.8.9c

SCI.8.5b

SCI.6.8d

SCI.8.11c

SCI.8.5d

SCI.8.6c

SCI.8.11a

SCI.8.5f

SCI.8.7b

SCI.8.5c

SCI.7.7a

SCI.8.8a

SCI.6.9c

SCI.8.9b

SCI.8.11b

SCI.8.8d

SCI.7.5c

SCI.7.8c

SCI.8.5e

SCI.8.6b

SCI.7.12b

SCI.8.6a

SCI.8.5a

SCI.7.12d

SCI.8.5d

SCI.8.6c

SCI.8.11a

SCI.8.9c

SCI.8.11b

SCI.8.5b

SCI.7.12f

SCI.8.7a

2016 STAAR Grade 8 Science

2016 STAAR Grade 8 Science

What is the difference between the number of electrons in an atom of selenium, Se, and the number of electrons in an atom of aluminum, Al? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .

What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu

A partial marine food web is shown.

Green crabs carry a parasitic worm that can infect organisms that prey on the crabs. Which organism is most likely to be infected by this parasite?

With the use of the Hubble Space Telescope, scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the sun appear to be brighter than this runaway star when viewed from Earth?

Some students are using samples of different substances for a lab investigation. They plan to observe the physical properties of each substance and record their observations in a table like the one below.

Which of the substances observed are elements?

Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table to Student 2.

If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?

Both primary and secondary succession begin with pioneer species that —

Element R and Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element R has fewer energy levels than Element Q

Which statement best describes the positions of the two elements in the periodic table?

Which of these changes would likely occur if the rate of Earth’s rotation on its axis increased?

The graph below shows the motion of a ball rolling on a straight track
The graph below shows the motion of a ball rolling on a straight track

In July 1994 the comet Shoemaker-Levy 9 collided with the planet Jupiter, as scientists had predicted. To be able to accurately predict when a comet will collide with a planet, it is essential to understand —

A group of students prepared a table listing the types of reproduction that occur in several organisms.

Based on this information, which of the organisms can produce offspring that are genetically identical to the parent organism?

The Hertzsprung-Russell diagram shows how the sun is classified among the stars.
A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —

The list includes six situations.
A book sliding across a table at a constant speed
A ball sitting on a shelf
A can rolling down a ramp
A swing moving back and forth
A car traveling at a constant speed of 15 m/s
A bird landing on a branch
Which objects in the list experience an unbalanced force?

What is the difference between the number of electrons in an atom of selenium, Se, and the number of electrons in an atom of aluminum, Al? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

Four students were asked to create a graph representing a typical predator–prey relationship. Which graph shows a situation in which the number of predators in a population depends on the number of prey?

Deep Space 1 was a spacecraft powered by an engine that gave off xenon particles to change velocity. It had a mass of 500 kg. Which expression can be used to find the spacecraft’s acceleration if its engine created a net force of 0.10 N?

Four students were given a list of compounds and asked to identify which ones are organic.

Which student correctly identified the organic compounds in the list?

A student must complete the column of the table that lists the dates of the full moons.

What are the most likely dates of the full moons?

The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X.
Which statement best describes the energy of the two airplanes?

This satellite photograph shows an area in Alaska after a fire occurred.
Which statement best describes the most likely effect the fire had on the river in the 12 months after it occurred?

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

Which student’s responses are correct?

A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph below.

Which of these accurately describes the motion of the toy train?

Strontium phosphate, Sr3 (PO4 )2 is a crystalline substance used in medicine and industry. How many phosphorus atoms are represented in the formula for Sr3 (PO4 )2 ?

A partial food web is shown. The numbers in the boxes represent animals in the food web.

Which organisms have three carnivorous predators and a consumer–producer relationship with at least one organism?

A student uses paper and fasteners to create a model of Earth, the sun, and the moon. The sun and Earth are attached to the paper background, while the moon is free to revolve around Earth.

Which diagram shows the objects arranged so that a new moon would be visible from Earth?

A clerk at a hardware store performed the activities in the list.

Which statement best describes the amount of work performed for the three activities?

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

A mid-ocean ridge separates the Pacific plate and the Nazca plate off the western coast of South America.

Which statement best describes the relative motions of the Pacific and Nazca plates?

Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemical help black walnut trees compete with plants growing nearby?

A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.
Which food web best represents the flow of energy in these feeding relationships?

A student drew the model below to represent a part of a watershed and some human activities that affect the watershed.

How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?

A student graphed the position of a cart during a 7-second time interval.

Which statement best describes the cart?

Which table best shows some functions of the circulatory, respiratory, digestive, and endocrine systems?

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .

What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu

2016 STAAR Grade 8 Science

2016 STAAR Grade 8 Science

What is the difference between the number of electrons in an atom of selenium, Se, and the number of electrons in an atom of aluminum, Al? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu

A partial marine food web is shown.Green crabs carry a parasitic worm that can infect organisms that prey on the crabs. Which organism is most likely to be infected by this parasite?

With the use of the Hubble Space Telescope, scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the sun appear to be brighter than this runaway star when viewed from Earth?

Some students are using samples of different substances for a lab investigation. They plan to observe the physical properties of each substance and record their observations in a table like the one below.Which of the substances observed are elements?

Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table to Student 2.If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?

Both primary and secondary succession begin with pioneer species that —

Element R and Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element R has fewer energy levels than Element QWhich statement best describes the positions of the two elements in the periodic table?

Which of these changes would likely occur if the rate of Earth’s rotation on its axis increased?

The graph below shows the motion of a ball rolling on a straight trackThe graph below shows the motion of a ball rolling on a straight track

In July 1994 the comet Shoemaker-Levy 9 collided with the planet Jupiter, as scientists had predicted. To be able to accurately predict when a comet will collide with a planet, it is essential to understand —

A group of students prepared a table listing the types of reproduction that occur in several organisms.Based on this information, which of the organisms can produce offspring that are genetically identical to the parent organism?

The Hertzsprung-Russell diagram shows how the sun is classified among the stars.A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —

The list includes six situations.A book sliding across a table at a constant speedA ball sitting on a shelfA can rolling down a rampA swing moving back and forthA car traveling at a constant speed of 15 m/sA bird landing on a branchWhich objects in the list experience an unbalanced force?

What is the difference between the number of electrons in an atom of selenium, Se, and the number of electrons in an atom of aluminum, Al? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

Four students were asked to create a graph representing a typical predator–prey relationship. Which graph shows a situation in which the number of predators in a population depends on the number of prey?

Deep Space 1 was a spacecraft powered by an engine that gave off xenon particles to change velocity. It had a mass of 500 kg. Which expression can be used to find the spacecraft’s acceleration if its engine created a net force of 0.10 N?

Four students were given a list of compounds and asked to identify which ones are organic.Which student correctly identified the organic compounds in the list?

A student must complete the column of the table that lists the dates of the full moons.What are the most likely dates of the full moons?

The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X.Which statement best describes the energy of the two airplanes?

This satellite photograph shows an area in Alaska after a fire occurred.Which statement best describes the most likely effect the fire had on the river in the 12 months after it occurred?

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.Which student’s responses are correct?

A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph below.Which of these accurately describes the motion of the toy train?

Strontium phosphate, Sr3 (PO4 )2 is a crystalline substance used in medicine and industry. How many phosphorus atoms are represented in the formula for Sr3 (PO4 )2 ?

A partial food web is shown. The numbers in the boxes represent animals in the food web.Which organisms have three carnivorous predators and a consumer–producer relationship with at least one organism?

A student uses paper and fasteners to create a model of Earth, the sun, and the moon. The sun and Earth are attached to the paper background, while the moon is free to revolve around Earth.Which diagram shows the objects arranged so that a new moon would be visible from Earth?

A clerk at a hardware store performed the activities in the list.Which statement best describes the amount of work performed for the three activities?

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

A mid-ocean ridge separates the Pacific plate and the Nazca plate off the western coast of South America.Which statement best describes the relative motions of the Pacific and Nazca plates?

Black walnut trees produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil. How does this chemical help black walnut trees compete with plants growing nearby?

A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.Which food web best represents the flow of energy in these feeding relationships?

A student drew the model below to represent a part of a watershed and some human activities that affect the watershed.How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?

A student graphed the position of a cart during a 7-second time interval.Which statement best describes the cart?

Which table best shows some functions of the circulatory, respiratory, digestive, and endocrine systems?

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .

What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu

A partial marine food web is shown.

Green crabs carry a parasitic worm that can infect organisms that prey on the crabs. Which organism is most likely to be infected by this parasite?

Some students are using samples of different substances for a lab investigation. They plan to observe the physical properties of each substance and record their observations in a table like the one below.

Which of the substances observed are elements?

Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table to Student 2.

If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?

Element R and Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element R has fewer energy levels than Element Q

Which statement best describes the positions of the two elements in the periodic table?

The graph below shows the motion of a ball rolling on a straight track
The graph below shows the motion of a ball rolling on a straight track

A group of students prepared a table listing the types of reproduction that occur in several organisms.

Based on this information, which of the organisms can produce offspring that are genetically identical to the parent organism?

The Hertzsprung-Russell diagram shows how the sun is classified among the stars.
A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —

The list includes six situations.
A book sliding across a table at a constant speed
A ball sitting on a shelf
A can rolling down a ramp
A swing moving back and forth
A car traveling at a constant speed of 15 m/s
A bird landing on a branch
Which objects in the list experience an unbalanced force?

Four students were given a list of compounds and asked to identify which ones are organic.

Which student correctly identified the organic compounds in the list?

A student must complete the column of the table that lists the dates of the full moons.

What are the most likely dates of the full moons?

The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X.
Which statement best describes the energy of the two airplanes?

This satellite photograph shows an area in Alaska after a fire occurred.
Which statement best describes the most likely effect the fire had on the river in the 12 months after it occurred?

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

Which student’s responses are correct?

A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph below.

Which of these accurately describes the motion of the toy train?

A partial food web is shown. The numbers in the boxes represent animals in the food web.

Which organisms have three carnivorous predators and a consumer–producer relationship with at least one organism?

A student uses paper and fasteners to create a model of Earth, the sun, and the moon. The sun and Earth are attached to the paper background, while the moon is free to revolve around Earth.

Which diagram shows the objects arranged so that a new moon would be visible from Earth?

A clerk at a hardware store performed the activities in the list.

Which statement best describes the amount of work performed for the three activities?

A mid-ocean ridge separates the Pacific plate and the Nazca plate off the western coast of South America.

Which statement best describes the relative motions of the Pacific and Nazca plates?

A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.
Which food web best represents the flow of energy in these feeding relationships?

A student drew the model below to represent a part of a watershed and some human activities that affect the watershed.

How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?

A student graphed the position of a cart during a 7-second time interval.

Which statement best describes the cart?

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 .

What is the net force, to the nearest newton, that accelerates the ball? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place valu