Characteristics of Chemical Reactions STEMscopes
Flashcard
•
Science
•
6th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What are the products of the combustion of coal?
Back
Carbon dioxide (CO2) and water (H2O) are produced when coal burns in the presence of oxygen.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What is a precipitate in a chemical reaction?
Back
A precipitate is a solid that forms when one liquid is poured into another, indicating a chemical reaction has occurred.
Tags
NGSS.MS-PS1-2
3.
FLASHCARD QUESTION
Front
How can you determine if a chemical equation is balanced?
Back
A chemical equation is balanced when the number of atoms of each element is the same on both sides of the equation.
Tags
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
What is the definition of a chemical reaction?
Back
A chemical reaction is a change in matter that produces one or more new substances.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
What evidence indicates that a chemical reaction has occurred?
Back
The production of a new substance is the best evidence that a chemical reaction has occurred.
Tags
NGSS.MS-PS1-2
6.
FLASHCARD QUESTION
Front
What is the role of oxygen in combustion reactions?
Back
Oxygen acts as a reactant that combines with a fuel (like coal) to produce energy, carbon dioxide, and water.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.
Tags
NGSS.MS-PS1-4
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
