characteristics of chemical reactions review
Authored by Trisha Brown
Science
8th Grade
NGSS covered
Used 7+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a process where the bonds between atoms are broken and a new arrangement of bonds between different atoms is formed.
physical change
chemical reaction
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a solid substance that forms and separates from a solution and may indicate that a chemical reaction has occurred.
precipitate
color
odor
temperature change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An unexpected change in _____________________ is a sign that a chemical reaction may have occurred.
precipitate
color
odor
temperature change
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substances giving off a smell, or ________________, while being combined is also an indicator of a chemical reaction.
precipitate
color
odor
temperature change
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___________________ increase or decrease and the production of light are both signs that a chemical reaction may have occurred.
precipitate
color
odor
temperature
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical process, atoms that make up a substance are regrouped into different _____________________ to form new substances with different properties.
bonds
elements
molecules
compounds
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smallest part of a substance
molecule
atom
compound
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