What is a chemical change?
7th Grade TEKS Matter and Energy Review

Flashcard
•
Science
•
7th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
A process where substances combine or break apart to form new substances, often accompanied by energy changes.
2.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A change that affects one or more physical properties of a substance without altering its chemical composition.
3.
FLASHCARD QUESTION
Front
What is temperature?
Back
The measure of hotness or coldness of an object, typically measured in degrees Celsius or Fahrenheit.
4.
FLASHCARD QUESTION
Front
What is an element?
Back
A pure substance that cannot be broken down into simpler substances by chemical means.
5.
FLASHCARD QUESTION
Front
What is a compound?
Back
A substance formed when two or more elements chemically bond together in a fixed ratio.
6.
FLASHCARD QUESTION
Front
What are signs of a chemical reaction?
Back
Signs include color change, gas production, temperature change, and formation of a precipitate.
7.
FLASHCARD QUESTION
Front
What is rusting?
Back
A chemical reaction where iron reacts with oxygen and moisture to form iron oxide, commonly known as rust.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Final Scavenger Review Part 1

Flashcard
•
7th Grade
15 questions
Matter 1 review A

Flashcard
•
7th Grade
15 questions
Physical and Chemical Changes in Matter Unit 2 Review

Flashcard
•
7th Grade
15 questions
Unit 2 Vocab

Flashcard
•
7th Grade
15 questions
Physical Science Ch. 2 Test

Flashcard
•
7th Grade
15 questions
Pure Substances

Flashcard
•
7th Grade
10 questions
Classification of Matter

Flashcard
•
6th - 8th Grade
15 questions
Understanding Solutions and Mixtures

Flashcard
•
7th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade