Unit 2 Test
Authored by Jessica Skinner-Graves
Chemistry, Science
8th Grade
NGSS covered
Used 14+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.
True
False
Tags
NGSS.MS-PS1-5
2.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the reactants?
(a)
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-1
3.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the products?
(a)
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The reactants are on the left side of the chemical equation.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. Which of these is the best evidence that a chemical reaction occurs when coal burns?
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Is hammering wood together to build a house a chemical or physical change?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the left part of a chemical equation called?
H2 + O → H2O
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