Matter
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
Enhance your content in a minute
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many Hydrogen atoms are there in 3H2O?
2
3
5
6
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In CO2, how many Carbon's are there?
1
2
3
infinite solution
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In H2O + CO2 + O2, how many O's are there?
1
2
3
5
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Does this equation follow the law of conservation of mass?
Yes
No
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
According to the law of conservation of mass, which statement is true?
The atoms of the reactants and products are different
The atoms of the reactants and products are equal
The subscripts must be the same
The compounds must be the same
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Salt is combined with water to make salt water. What are the reactants?
Salt
Water
Salt and water
Salt water
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Salt is combined with water to make salt water. What are the products?
Salt
Water
Salt and water
Salt water
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