Chemical and Physical Changes in Everyday Life

The video tutorial discusses changes in everyday life, categorizing them into chemical and physical changes. Chemical changes result in new substances, while physical changes do not alter the substance's properties. Examples of each type are provided, and tips for distinguishing between them are shared.

What are the two main categories of changes that occur in our everyday life?

• Physical and Biological

• Mechanical and Physical

• Chemical and Physical

• Chemical and Biological

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

• Burning paper

• Blowing up a balloon

• Breaking glass

• Melting ice

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What happens to a vehicle over time that demonstrates a chemical change?

• It gets a flat tire

• It becomes rusty

• It changes color

• It gets dirty

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Which of the following is NOT a characteristic of a physical change?

• There is only a change of state

• The properties of the substance remain the same

• No new substances are formed

• New substances with different properties are formed

What happens to the shape of a balloon when it is blown up?

• It changes its color

• It changes its shape

• It becomes a new substance

• It remains the same

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

• Melting ice

• Rusting of iron

• Burning wood

• Baking a cake

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What can help you decide if a change is chemical or physical?

• The clues provided in the video

• The size of the substance

• The temperature of the substance

• The color of the substance

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