Evidence of Chemical Change

Evidence of Chemical Change

Assessment

Flashcard

Science

6th - 8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A change in which new substances are formed.

2.

FLASHCARD QUESTION

Front

What happens when milk and vinegar are mixed?

Back

A chemical change occurs, resulting in a precipitate.

3.

FLASHCARD QUESTION

Front

How can you identify a chemical change?

Back

Look for signs such as color change, gas production, or formation of a precipitate.

4.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

5.

FLASHCARD QUESTION

Front

Which of the following is NOT a chemical change: sour milk, burning wood, breaking a pencil, rust?

Back

Breaking a pencil is NOT a chemical change.

6.

FLASHCARD QUESTION

Front

What is a precipitate?

Back

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

7.

FLASHCARD QUESTION

Front

Can a chemical change be reversed?

Back

Most chemical changes are not easily reversible.

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