MiStar 6.3

Quiz
•
Science
•
6th Grade
•
Hard
+5
Standards-aligned
Kersten Mcglinchey
Used 9+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement correctly describes how this reaction affects the mass of the atoms that were previously a part of the water molecules?
The mass of the atoms is less because they are now a gas.
The mass of the atoms is the same because atoms of the same type always have the same mass.
The mass of the atoms is more because a new kind of molecule is formed.
There is not enough information to tell.
Answer explanation
The mass of the atoms is the same because atoms of the same type always have the same mass.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement correctly describes the relationship between the properties of the products compared to those of the reactants?
The properties are similar because the same atoms that make up the reactants also make up the products.
The properties are similar because gases do not strongly affect solids in chemical reactions.
The properties are different because new atoms have been added during the reaction.
The properties are different because the atoms in the reactants have been rearranged to form the products.
Answer explanation
The properties are different because the atoms in the reactants have been rearranged to form the products.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the importance of food to an organism?
Food is anything that is taken in by an organism.
Food is anything that is needed by an organism.
Food is anything that provides matter for the growth of an organism.
Food is anything that is a source of both energy and matter for the growth of an organism.
Answer explanation
Food is a source of both energy and matter for the growth of an organism, making it the most accurate description among the options provided.
Tags
NGSS.MS-LS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do you agree that a chemical reaction has occurred? Describe why or why not.
Yes, because the bag expanded and bubbles of gas formed, indicating a change in the substances.
No, because the bag's weight did not change, so no reaction occurred.
Yes, because the lemon juice spilled out of the jar, which is a physical change.
No, because the baking soda is still visible, meaning no chemical reaction took place.
Answer explanation
The correct choice is 'Yes, because the bag expanded and bubbles of gas formed, indicating a change in the substances.' This is because the formation of gas and expansion of the bag are clear indicators of a chemical reaction.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following represents the boundary of the system being investigated?
The jar
The bubbles that formed
The plastic bag
The atmosphere surrounding the plastic bag
Answer explanation
The plastic bag represents the boundary of the system being investigated as it contains the system and separates it from the surrounding atmosphere.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the student weighs the bag and everything in it after the bubbling stops and compares the final weight to the starting weight, what will she find out?
The final weight will be greater than the starting weight because new atoms are produced during the chemical reaction.
The final weight will be less than the starting weight because some of the atoms are destroyed during the chemical reaction.
The final weight will be the same as the starting weight because the number of each kind of atom does not change during the chemical reaction.
The final weight will be the same as the starting weight because some atoms are destroyed, but new ones are created during the chemical reaction.
Answer explanation
The final weight will be the same as the starting weight because the number of each kind of atom does not change during the chemical reaction.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following molecules would you predict would be the result of the last chemical reaction in the digestion of carbohydrates as shown in the model?
A single square
Two connected squares
A chain of eight squares
There is not enough information to answer.
Answer explanation
The correct choice is a single square because the last chemical reaction in the digestion of carbohydrates results in a monosaccharide, which is represented by a single square in the model.
Tags
NGSS.MS-LS1-7
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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