
Exploring the Conservation of Mass in Chemical Reactions

Interactive Video
•
Science
•
6th - 10th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary element that steel wool is made of?
Zinc
Aluminum
Iron
Copper
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a property of steel wool?
Very thin fibers
Gray metallic color
Rough surface
Smooth surface
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does vinegar do to the steel wool?
Makes it shiny
Strips away some of the wax
Covers it with wax
Turns it into powder
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the balloon sucked into the flask?
The balloon is deflated
The flask is cooled
Oxygen is used up in a chemical reaction
The flask is heated
Tags
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of conservation of mass state?
Mass is destroyed during a chemical reaction
Mass is created during a chemical reaction
Mass changes form during a chemical reaction
Mass is neither created nor destroyed
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence shows that a chemical reaction occurred with the steel wool?
The steel wool melted
The balloon was sucked into the flask
The steel wool turned into liquid
The steel wool expanded
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the new color of the steel wool after the reaction?
Blue
Gray
Green
Brownish reddish
Tags
NGSS.MS-PS1-2
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