HW 8 - Weight of a System
Authored by Mustafa Aydin
Science
5th - 8th Grade
NGSS covered
Used 23+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following never changes no matter where in the universe?
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The amount of matter in an object is
Tags
NGSS.MS-PS2-4
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A person would weigh less on on the Moon than on the Earth because . . .
Tags
NGSS.MS-PS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank:
The law of conservation of mass states that matter cannot be created nor __________________.
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a closed system, a chemical reaction takes place. The mass of the reactants in the beginning of the reaction is 25g. What does the mass have to be in the end of the reaction in order to follow the law of conservation of mass?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
There are two reactants in a chemical equation, and one product. The mass of the product is 30g. The mass of the first reactant is 17g. What must the mass of the second reactant be, if the equation is to follow the law of conservation of mass?
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Smallest unit of matter
compound
atom
molecule
product
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