Physical and Chemical Changes

Physical and Chemical Changes

Assessment

Flashcard

Science

6th 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 changes in state (like melting or freezing) and changes in shape or size.

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 identified by changes such as color change, gas production, or the formation of a precipitate.

3.

FLASHCARD QUESTION

Front

What is rusting?

Back

Rusting is a chemical change that occurs when iron reacts with oxygen and moisture in the air, forming iron oxide (rust). This process is an example of a new substance forming.

4.

FLASHCARD QUESTION

Front

What evidence indicates a chemical change has occurred?

Back

Evidence of a chemical change includes unexpected color changes, temperature changes, gas production (bubbles), and the formation of a precipitate.

5.

FLASHCARD QUESTION

Front

What is a precipitate?

Back

A precipitate is a solid that forms and settles out of a liquid mixture during a chemical reaction.

6.

FLASHCARD QUESTION

Front

What happens when vinegar is mixed with baking soda?

Back

When vinegar (an acid) is mixed with baking soda (a base), a chemical reaction occurs, producing carbon dioxide gas, which creates bubbles and causes fizzing.

7.

FLASHCARD QUESTION

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not change the substance's chemical identity, while a chemical change results in the formation of new substances.

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?