Physical and Chemical Properties and Changes

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What is density?

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Density is the mass of an object divided by its volume, typically expressed in g/cm³.

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How do you calculate density?

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Density = Mass / Volume.

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What is matter?

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Matter is anything that has mass and takes up space.

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What are physical properties of matter?

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Physical properties can be observed or measured without changing the substance's identity, such as color, mass, and volume.

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What are chemical properties of matter?

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Chemical properties describe a substance's ability to undergo changes that transform it into different substances, such as reactivity and flammability.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is a chemical change?

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A chemical change results in the formation of new chemical substances, often indicated by color change, gas production, or temperature change.

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What is hardness in terms of material properties?

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Hardness is a measure of a material's resistance to being scratched or dented.

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What is an example of a physical property?

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An example of a physical property is the color of a substance.

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What is an example of a chemical property?

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An example of a chemical property is the ability of iron to rust.