Unit 2 Vocabulary Quiz: Chemical Reactions Honors
Quiz
•
Science
•
8th Grade
•
Easy
+4
Standards-aligned

PAULA DOWDY
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
carbon
two or more atoms bonded together by valence electrons
the one element that is found in all organic compounds (living things)
the mass of all reactants must equal the mass of all products. Matter is neither created nor destroyed.
a substance that increases the rate of a chemical reaction
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
subscript
A symbolic representation of a chemical reaction in which both sides of the equation contain equal numbers of atoms of each element. The mass must be balanced on both sides.
Affects size, shape, state of matter, or color of a substance, but does not turn it into a new substance.
The one element that is found in all organic compounds (living things).
A number written below and to the right of a chemical symbol that shows the number of atoms.
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
substance
An element or compound that can only be separated or combined to make new substances by means of a chemical reaction.
One or more substances are changed into entirely new substances because their atoms are rearranged.
A solid that is created by the reaction of two liquids.
A pure substance made entirely of one type of atom.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
chemical equation
A solid that is created by the reaction of two liquids.
Substances that are produced during a chemical reaction.
Chemical formulas and symbols written to represent an entire reaction.
The process by which one or more substances get changed to produce one or more different substances.
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
element
Affects size, shape, state of matter, or color of a substance, but does not turn it into a new substance.
Describes a chemical reaction that produces heat energy.
Indication that an event has occurred.
A pure substance made entirely of one type of atom.
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
exothermic
A natural physical system that does not allow transfer of matter in or out of the system.
A pure substance made of two or more types of atoms bonded together by valence electrons.
Describes a chemical reaction that produces heat energy.
The smallest unit of an element.
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
closed system
A natural physical system that does not allow transfer of matter in or out of the system.
An element or compound that can only be separated or combined to make new substances by means of a chemical reaction.
A pure substance made entirely of one type of atom.
Two or more atoms bonded together by valence electrons.
Tags
NGSS.MS-PS1-5
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