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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TEKS.SCI.7.6C

What is a chemical change?

• A change that only affects the appearance of a substance

• A change that forms a new substance with different properties

• A change that can be easily reversed

• A change in the state of matter

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TEKS.SCI.7.6C

Which process is a chemical change?

• Dissolving sugar in water

• Boiling water

• Burning a candle

• Freezing juice

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Tearing a piece of paper is an example of:

• A chemical change

• A physical change

• Both a chemical and physical change

• Neither a chemical nor physical change

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TEKS.SCI.7.6C

Which of the following best describes a physical change?

• A new substance is formed

• The chemical composition changes

• The substance changes state but keeps its identity

• The substance burns

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TEKS.SCI.7.6C

Which of the following is NOT a chemical change?

• Iron rusting

• Water boiling

• Wood burning

• Milk souring

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TEKS.SCI.7.6C

Which of the following is a sign of a chemical change?

• Change in shape

• Unexpected change in color

• Change in size

• Change in state

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Match each process with the type of change it involves.

• Involves a chemical change due to heat causing new substances to form

• Burning gasoline

• Involves a chemical change as food is broken down into new substances

• Baking bread

• Involves a physical change as water changes state but remains the same substance

• Evaporating water

• Involves a chemical change as fuel reacts with oxygen to form new substances

• Digesting food

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TEKS.SCI.7.6C

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

• Cutting a carrot

• Melting butter

• Frying an egg

• Crushing a can

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TEKS.SCI.7.6C

Which of the following is a physical change?

• Silver tarnishing

• Paper burning

• Water freezing

• Bread molding

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TEKS.SCI.7.6C