Matter Part 2- 4th Per

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What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into different substances with new chemical properties. Examples include rusting, burning, and rotting.

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What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and cutting.

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What is a solvent?

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A solvent is the part of a solution that dissolves the solute. It is usually a liquid, such as water, that facilitates the dissolution of other substances.

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What is a solute?

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A solute is the substance that is dissolved in a solution. For example, in salt water, salt is the solute.

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What is a physical property?

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A physical property is a characteristic of a substance that can be observed or measured without changing its identity. Examples include color, density, and boiling point.

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What is a chemical property?

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A chemical property describes how a substance interacts with other substances, leading to a chemical change. Examples include flammability and reactivity.

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Is frying an egg a physical or chemical change?

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Frying an egg is a chemical change because it involves the transformation of the egg's proteins and other components into new substances.

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Is cutting an apple into slices a physical or chemical change?

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Cutting an apple into slices is a physical change because it does not alter the chemical composition of the apple.

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What happens during a chemical change?

Back

During a chemical change, bonds between atoms are broken and new bonds are formed, resulting in the creation of new substances.

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What is an example of a physical change?

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An example of a physical change is melting ice into water, where the state changes but the chemical composition remains H2O.