Chemical Reactions Intro
Authored by Kelsey Koke
Science
9th Grade
NGSS covered
Used 16+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical reaction is process where one or more substances are changed into new substances
True
False
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the substances at the start of a chemical reaction that react
reactants
products
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
new substances formed as a result of a chemical reaction
reactants
products
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change
Law of conservation of mass
Law of conservation of energy
Law of conservation of momentum
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a way to describe a chemical reaction using chemical formulas and other symbols
chemical equation
chemical structure
chemical formula
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A number in front of a chemical formula that represents the number of units of each substance
coefficient
subscript
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A balanced chemical equation has the same number of atoms of each element on both sides of the equation
True
False
Tags
NGSS.MS-PS1-5
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