Chemical and Physical Changes

Chemical and Physical Changes

Assessment

Flashcard

Chemistry

5th Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties, often involving a chemical reaction.

2.

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.

3.

FLASHCARD QUESTION

Front

Give an example of a chemical change involving paper.

Back

Burning paper is an example of a chemical change, as it produces ash and smoke, which are new substances.

4.

FLASHCARD QUESTION

Front

What happens to a nail during rusting?

Back

During rusting, a nail undergoes a chemical change where it reacts with oxygen and moisture in the air to form iron oxide, a new substance.

5.

FLASHCARD QUESTION

Front

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

Back

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

6.

FLASHCARD QUESTION

Front

Is breaking a cracker into pieces a chemical or physical change?

Back

Breaking a cracker into pieces is a physical change because it alters the form of the cracker but not its chemical composition.

7.

FLASHCARD QUESTION

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change, as it changes from solid to liquid without changing its chemical structure.

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