Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

6th - 8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process where substances (reactants) undergo a transformation to form new substances (products).

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

Give an example of a physical change.

Back

Freezing water is an example of a physical change.

4.

FLASHCARD QUESTION

Front

What are the properties of matter?

Back

Properties of matter include magnetism, color, odor, density, and mass.

5.

FLASHCARD QUESTION

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed in the process.

6.

FLASHCARD QUESTION

Front

What happens to atoms in a chemical reaction?

Back

Atoms are rearranged to form new substances, but the total number of atoms remains the same.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it is conserved.

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