1.4_Chemical vs Physical Change

Which of the following would be an example of a chemical change?

• Dry ice turns from a solid into a gas

• Tye-dying a t-shirt

• Pizza is cut into slices

• Lightning turns the oxygen in the air to ozone

Does this image show a chemical or physical change?

• Chemical

• Physical

Melting an ice cube

• Chemical Change
• Physical Change

An instant ice pack getting cold when the chemicals are able to touch.

• Chemical Change
• Physical Change

Which of the following describes a physical change?

• A new substance is formed

• Bonds are broken

• Properties of a substance remain the same

• Occurs during a reaction

Which of the following would be considered a physical change?

• Cutting paper

• pH test

• Burning marshmellow

• Roasting a Turkey

Which of the following is a Physical Property 

• Toxicity
• Flammability
• Malleability
• Reactivity

Which of the following examples represents a physical change?

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• 
• 
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Choose the image the shows a chemical change.

• 1

• 2

• 3

• 4

This model would show a(n) ​ (a)   and if the gray particles separate from the yellow particles, it would involve a ​ (b)   change.

• compound
• element
• mixture
• chemical
• physical