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Questions and Answers
What is the primary characteristic that defines matter?
What is the primary characteristic that defines matter?
- Having a fixed shape
- Being composed of atoms
- Being able to change state
- Having mass and occupying space (correct)
What type of matter has a fixed shape and volume?
What type of matter has a fixed shape and volume?
- Liquid
- Plasma
- Solid (correct)
- Gas
Which of the following is an example of a chemical property of matter?
Which of the following is an example of a chemical property of matter?
- Texture
- Color
- Odor
- Ability to react with other substances (correct)
What type of substance is composed of two or more different elements?
What type of substance is composed of two or more different elements?
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What type of change involves a change in the state of matter without a change in composition?
What type of change involves a change in the state of matter without a change in composition?
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What type of substance is a combination of two or more substances that are not chemically combined?
What type of substance is a combination of two or more substances that are not chemically combined?
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Study Notes
Definition of Matter
- Matter is anything that has mass and occupies space.
- It is the physical substance that makes up all objects, living and non-living.
States of Matter
- Solid: Has a fixed shape and volume.
- Liquid: Has a fixed volume but takes the shape of its container.
- Gas: Has neither a fixed shape nor a fixed volume.
- Plasma: A high-energy state of matter where atoms are ionized.
Properties of Matter
- Physical Properties:
- Color
- Texture
- Odor
- Taste
- Chemical Properties:
- Ability to react with other substances
- Ability to change composition
Types of Matter
- Elements: Substances composed of only one type of atom.
- Examples: Hydrogen (H), Carbon (C), Oxygen (O)
- Compounds: Substances composed of two or more different elements.
- Examples: Water (H2O), Carbon Dioxide (CO2)
- Mixtures: Combinations of two or more substances that are not chemically combined.
- Examples: Air, Soil, Blood
Changes in Matter
- Physical Change: A change in the state of matter without a change in composition.
- Examples: Melting, Freezing, Evaporation
- Chemical Change: A change in the composition of matter, resulting in a new substance.
- Examples: Combustion, Rusting, Decaying
Definition of Matter
- Matter is anything that has mass and occupies space.
- It is the physical substance that makes up all objects, living and non-living.
States of Matter
- Solid: Has a fixed shape and volume.
- Liquid: Has a fixed volume but takes the shape of its container.
- Gas: Has neither a fixed shape nor a fixed volume.
- Plasma: A high-energy state of matter where atoms are ionized.
Properties of Matter
- Physical Properties: Characterized by color, texture, odor, and taste.
- Chemical Properties: Include the ability to react with other substances and change composition.
Types of Matter
- Elements: Substances composed of only one type of atom, e.g., Hydrogen (H), Carbon (C), Oxygen (O).
- Compounds: Substances composed of two or more different elements, e.g., Water (H2O), Carbon Dioxide (CO2).
- Mixtures: Combinations of two or more substances that are not chemically combined, e.g., Air, Soil, Blood.
Changes in Matter
- Physical Change: A change in the state of matter without a change in composition, e.g., Melting, Freezing, Evaporation.
- Chemical Change: A change in the composition of matter, resulting in a new substance, e.g., Combustion, Rusting, Decaying.
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