Unit 4- Changing Matter

Unit 4- Changing Matter

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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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. Examples include rusting, burning, and digestion.

3.

FLASHCARD QUESTION

Front

How can you differentiate between a physical change and a chemical change?

Back

You can differentiate them by observing if a new substance is formed with different properties.

4.

FLASHCARD QUESTION

Front

What happens to particles when temperature increases?

Back

When temperature increases, the particles move faster.

5.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that mass is conserved and remains constant during physical and chemical changes.

6.

FLASHCARD QUESTION

Front

What is the relationship between the mass of reactants and products in a chemical reaction?

Back

The mass of reactants is equal to the mass of products.

7.

FLASHCARD QUESTION

Front

What type of change occurs when ice melts into water?

Back

Melting ice into water is a physical change.

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