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STAAR Practice Test- Final

Authored by Ria Ramcharitar

Science

8th Grade

NGSS covered

Used 4+ times

STAAR Practice Test- Final
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Describe the movement of the box in between the two trucks pulling on it. 

It moves to the left at an increasing speed. 
It moves to the right at an increasing speed. 
It moves to the left at a constant speed.
It moves to the right at a constant speed. 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Annabelle walks to school every day from her house. The diagram below shows the distance from her house to school measured in 1 km increments. If it takes her 30 minutes to walk to school, what was her average speed? 

4 km/hr 
7.5 km/hr 
8 km/hr 
0.13 km/hr 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which arrow indicates the cause of day and night on Earth? 

Arrow 1
Arrow 3
Arrow 4
Both Arrow 1 & 4 

Tags

NGSS.MS-ESS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 Sarah observes and records these moon phases. 
Which phase will she observe on Night 15? 

A
B
C
D

Tags

NGSS.MS-ESS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which inference is best supported by these data?

Pine trees in a dense forest can grow taller than pine trees in an open meadow.

Pine trees in a dense forest compete for sunlight with the surrounding trees.

Pine trees in a dense forest are part of a less-complex food web than pine trees in an open meadow.

Pine trees in a dense forest have more living branches than pine trees in an open meadow.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An ecosystem that is not sustainable can break down when a natural disaster occurs. This can lead to organisms in the ecosystem either leaving the area or dying off.


Increased biodiversity results in a more sustainable ecosystem because —

a greater number of plant species means that there is less barren land

a greater variety of species present allows more organisms to adapt after changes occur

the transition area between two ecosystems is narrower

there are fewer species to be affected by environmental stresses

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

10
20
30

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