8th GRADE PHYSICAL SCIENCE MIDTERM EXAM STUDY GUIDE
Authored by Dara Taylor
Science
8th - 9th Grade
NGSS covered
Used 44+ times
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17 questions
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1.
OPEN ENDED QUESTION
3 mins • Ungraded
The atomic number for Oxygen is 8. The mass number is 15.9994. How would you obtain the number of its neutrons?
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Tags
NGSS.MS-PS1-1
2.
OPEN ENDED QUESTION
3 mins • Ungraded
What is the process in which unstable nuclei of radioactive atoms become stable by emitting charged particles and energy?
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Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the following reaction: 2C2H6 + 7 O2----4CO2 + 6H2O. What type of reaction is this?
Decomposition
Synthesis
Double Replacement
Combustion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which type of chemical reaction is a compound is made from simpler materials?
Decomposition
Synthesis
Combustion
Double Displacement
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A neutral particle in the nucleus of an atom is a
proton
photon
electron
neutron
Tags
NGSS.MS-PS1-1
6.
OPEN ENDED QUESTION
3 mins • Ungraded
What's true about predicting the products of a chemical reaction?
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Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
OPEN ENDED QUESTION
3 mins • Ungraded
What is the unit of measurement used to determine the quantities of reactants and products in a chemical reaction?
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Tags
NGSS.HS-PS1-7
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