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Questions and Answers
What are the three normal phases of matter?
What are the three normal phases of matter?
solid, liquid, gas
What is the characteristic of a solid?
What is the characteristic of a solid?
holds its shape and has a fixed volume
What is the characteristic of a liquid?
What is the characteristic of a liquid?
takes the shape of the container and has a fixed volume
What is the characteristic of a gas?
What is the characteristic of a gas?
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What is considered a physical change in matter?
What is considered a physical change in matter?
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Study Notes
Phases of Matter
- Matter typically exists in three primary phases: solid, liquid, and gas.
- Each phase has distinct characteristics:
- Solids maintain a fixed shape and volume.
- Liquids adopt the shape of their container while retaining a fixed volume.
- Gases conform to the shape of their container and occupy the volume of the container.
Phase Changes
- Matter can transition between phases when heat or pressure is applied, resulting in a physical change.
- A triangle illustrates the phase transitions, with plus and minus signs representing the addition or subtraction of heat.
Heat-Related Changes
- Melting: Transition from solid to liquid due to heat addition (e.g., ice melting).
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