STAAR Review 2019-2021-2022 8th Grade Science
Authored by Robert Cooney
Science
8th Grade
NGSS covered
Used 220+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on these properties, which element is most likely a nonmetal?
Element 1
Element 2
Element 3
Element 4
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statements correctly compare metals and nonmetals?
F
G
H
J
Tags
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the student classify the material?
F
G
H
J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statements best describe the charges on the particles in this model?
Tags
NGSS.MS-PS1-1
5.
MATH RESPONSE QUESTION
2 mins • 1 pt
If a fluorine atom has a mass number of 19, how many neutrons are in the atom?
Mathematical Equivalence
ON
Answer explanation
The mass is the total number of protons & neutrons. The atomic number is the number of protons only.
M.A.N.
atomic Mass - Atomic # = # of neutrons.
Tags
NGSS.MS-PS1-1
6.
MATH RESPONSE QUESTION
2 mins • 1 pt
How many neutrons are in the nucleus of a potassium atom with a mass number of 39?
Mathematical Equivalence
ON
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Click on the visual for the question.
Tags
NGSS.MS-PS1-1
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