Physical vs Chemical Changes Quiz

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

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DOK Level 1: Recall

TEKS.SCI.7.6C

What is a key characteristic of a chemical change?

• Change in state

• Formation of a new substance

• Change in size

• Change in shape

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DOK Level 1: Recall

TEKS.SCI.7.6C

Which process is a chemical change?

• Dissolving sugar in water

• Freezing water

• Digesting food

• Cutting paper

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DOK Level 1: Recall

TEKS.SCI.7.6C

Identify the type of change: A piece of metal is bent into a new shape.

• Physical change

• Chemical change

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DOK Level 1: Recall

TEKS.SCI.7.6C

Which of the following best describes a physical change?

• A new substance is formed

• The chemical composition remains the same

• Energy is absorbed or released

• Atoms are rearranged

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DOK Level 2: Skill/Concept

TEKS.SCI.7.6C

Explain why rusting of iron is considered a chemical change.

• It involves a change in state

• It results in a new substance with different properties

• It is a reversible process

• It only changes the appearance

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DOK Level 2: Skill/Concept

TEKS.SCI.7.6C

Compare the processes of boiling water and burning wood. Which involves a chemical change?

• Boiling water

• Burning wood

• Both involve chemical changes

• Neither involves a chemical change

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DOK Level 2: Skill/Concept

TEKS.SCI.7.6C

Which of the following scenarios involves a physical change?

• A nail rusting

• A candle burning

• Water evaporating

• Bread baking

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DOK Level 2: Skill/Concept

TEKS.SCI.7.6C

A student observes that a piece of paper burns and turns into ash. What type of change is this?

• Physical change

• Chemical change

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DOK Level 1: Recall

TEKS.SCI.7.6C

Which of the following is NOT a sign of a chemical change?

• Change in color

• Formation of a precipitate

• Change in temperature

• Change in shape

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DOK Level 2: Skill/Concept

TEKS.SCI.7.6C