Exploring Matter and Chemical Changes
Authored by Christine Lockwood
Science
7th Grade
NGSS covered
Used 5+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a compound?
Oxygen ( )
Water ( )
Gold ( )
Nitrogen ( )
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the chemical symbol "Na" represent?
Nitrogen
Sodium
Neon
Nickel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an element?
Carbon dioxide ( )
Sodium chloride ( )
Gold (Au)
Water ( )
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of oxygen are in the chemical formula ?
1
2
3
0
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of atoms in ?
1
2
3
4
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are present in NaHCO₃?
5
4
6
8
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a physical change?
Burning wood
Melting ice
Rusting iron
Baking a cake
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