Law of Conservation of Mass

Flashcard
•
Science
•
8th Grade
•
Hard
Standards-aligned
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of the reactants equals the total mass of the products.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved.
Tags
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
How do you determine if a chemical equation is balanced?
Back
To determine if a chemical equation is balanced, count the number of atoms of each element on both sides of the equation and ensure they are equal.
Tags
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
What does a subscript in a chemical formula indicate?
Back
A subscript in a chemical formula indicates the number of atoms of the element that are present in a molecule.
Tags
NGSS.MS-PS1-1
5.
FLASHCARD QUESTION
Front
What does a coefficient in a chemical equation represent?
Back
A coefficient in a chemical equation represents the number of molecules or moles of a substance involved in the reaction.
Tags
NGSS.MS-PS1-1
6.
FLASHCARD QUESTION
Front
How many hydrogen (H) atoms are in 4NH3?
Back
There are 12 hydrogen (H) atoms in 4NH3 because each NH3 molecule contains 3 hydrogen atoms (4 x 3 = 12).
Tags
NGSS.MS-PS1-1
7.
FLASHCARD QUESTION
Front
What is the significance of balancing chemical equations?
Back
Balancing chemical equations is significant because it reflects the conservation of mass and allows for accurate stoichiometric calculations.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Law of Conservation of Mass 1

Flashcard
•
8th Grade
15 questions
Counting Atoms & Conservation of Mass

Flashcard
•
8th Grade
12 questions
Balancing Chemical Equations

Flashcard
•
7th - 8th Grade
13 questions
Counting Atoms: Law of Conservation of Mass

Flashcard
•
7th Grade
10 questions
Balancing Chemical Equations

Flashcard
•
8th Grade
11 questions
Law of Conservation of Mass

Flashcard
•
8th Grade
15 questions
Law of Conservation of Mass

Flashcard
•
8th Grade
15 questions
Law of Conservation of Mass

Flashcard
•
8th Grade
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade