Physical and Chemical Changes

Physical and Chemical Changes

Assessment

Flashcard

Science

6th - 8th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

2.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and can be indicated by color change, temperature change, gas production, or precipitate formation.

3.

FLASHCARD QUESTION

Front

What happens during cooking an egg?

Back

Cooking an egg is a chemical change because it transforms the proteins in the egg, resulting in a new substance with different properties.

4.

FLASHCARD QUESTION

Front

What is an indicator of a chemical change?

Back

Indicators of a chemical change include unexpected color changes, temperature changes, gas production (bubbles), and the formation of precipitates.

5.

FLASHCARD QUESTION

Front

What is an example of a new substance forming?

Back

Lighting a match is an example of a new substance forming, as it produces heat, light, and new chemical compounds.

6.

FLASHCARD QUESTION

Front

What does bubbling indicate when substances are combined?

Back

Bubbles forming when two or more substances are combined typically indicate a chemical change, as gas is being produced.

7.

FLASHCARD QUESTION

Front

What is NOT an indicator of a chemical change?

Back

Bubbles and steam rising from boiling salt water is NOT an indicator of a chemical change; it is a physical change.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?