Conservation of Mass and Sample Comparisons

Quiz
•
Science
•
8th Grade
•
Medium
+3
Standards-aligned
Jenna L
Used 5+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If samples have different properties...
They are the same substance
They may be the same substance
They are not the same substance
We do not know if they are the same substance or not
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 2 samples are the same color and texture...
They are the same substance
They may be the same substance
They are not the same substance
Taste them to see if they are the same
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We know two substances are the same if...
They have the same repeating group of atoms
They have the same number of molecules
They contain the same types of atoms
The repeating groups have no more than 2 different atoms
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The starting materials in a chemical reaction are called
remainders
ingredients
products
reactants
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The materials resulting from a chemical reaction are called
units
promoters
products
reactants
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crystals like diamonds and salt are made of
simple molecules
extended structures
flexible webs
long wire-like molecules
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecule could be produced in the following reaction?
2H2 + O2 -->
CO2
NaOH
HCl
H2O
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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