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STAAR Science Review Questions Of The Week (April 17-21, 2023)
Test Description: Practice Questions for 8th Grade Science STAAR
Instructions: Answer all questions to get your test result.
1) Which of the following is a characteristic of a metal?
A
Mostly gas in room temperature
B
Shiny
C
Poor conductor of heat and electricity.
D
Brittle
2) Which of the following subatomic particles are found inside the nucleus of an atom?
A
Neutrons and protons.
B
Protons, neutrons, and electrons.
C
Protons and electrons.
D
Electrons and neutrons.
3) Which of the following crustal feature is created by converging boundaries?
A
Rift Valleys
B
Mountains
C
Ridges
D
Faults
4) Which of the following statements about action and reaction forces is true when you push a wall?
A
The wall pushes you back with the same amount of force.
B
The wall pushes you back with a lesser force.
C
The wall pushes you back with no force.
D
The wall pushes you back with a greater force.
5) Which star color is the coldest?
A
Blue
B
Red
C
Yellow
D
White
6) Spring tides occur during which moon phases?
A
First and last quarter.
B
Full moon and last quarter.
C
First quarter and full moon.
D
Full and new moon.
7) Which among the following abiotic factor will most likely plants crowded in a pot compete for?
A
Nutrients from the soil.
B
Carbon dioxide.
C
Sunlight.
D
Earthworms in the soil.
8) Which among the following is true about asexual repsoduction?
A
Asexual reproduction produces genetically identical offspring from two parents.
B
Asexual reproduction produces offspring genetically different from two parents.
C
Asexual reproduction produces genetically identical offspring from only one parent.
D
Asexual reproduction produces offspring genetically different from a single parent..
9) Which among the following is a measurement of mass?
A
100 meters
B
100 seconds
C
100 grams per cubic centimeters
D
100 kilograms
10) What does a steep line describe about an object's motion in a distance versus time graph?
A
The object's speed changes.
B
The object has a faster speed.
C
The object has a slower speed.
D
The object does not move.
11) Which among the following best describe what happens when there is a chemical reaction between substances?
A
The reaction always result to a change in color.
B
The reaction result to the substances changing their state of matter.
C
The reaction results to combustion,
D
The reaction result to formation of new substance(s).
*select an answer for all questions
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