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Questions and Answers
What is the definition of matter?
What is the definition of matter?
Which of the following is a characteristic of matter?
Which of the following is a characteristic of matter?
What is the state of matter in which particles are closely packed and have a fixed shape and volume?
What is the state of matter in which particles are closely packed and have a fixed shape and volume?
What is the term for the characteristics of matter that can be observed or measured without changing its composition?
What is the term for the characteristics of matter that can be observed or measured without changing its composition?
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What is the term for a substance composed of only one type of atom?
What is the term for a substance composed of only one type of atom?
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What is the term for a change in the state of matter without changing its composition?
What is the term for a change in the state of matter without changing its composition?
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What is the term for a change in the composition of matter resulting in a new substance?
What is the term for a change in the composition of matter resulting in a new substance?
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What is the classification of a blend of two or more substances?
What is the classification of a blend of two or more substances?
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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.
Characteristics of Matter
- Has mass: Matter has weight and is affected by gravity.
- Occupies space: Matter takes up space and has volume.
- Has inertia: Matter resists changes in its motion.
States of Matter
- Solid: Particles are closely packed and have a fixed shape and volume.
- Liquid: Particles are close together but can move past each other, taking the shape of their container.
- Gas: Particles are widely spaced and can move freely, expanding to fill their container.
- Plasma: High-energy state of matter where atoms are ionized, found in stars and lightning.
Properties of Matter
- Physical Properties: Characteristics that can be observed or measured without changing the composition of the matter, such as color, texture, and density.
- Chemical Properties: Characteristics that describe how matter reacts with other substances, such as flammability and reactivity.
Classification of Matter
- Elements: Substances composed of only one type of atom, such as hydrogen or oxygen.
- Compounds: Substances composed of two or more different elements, such as water (H2O) or salt (NaCl).
- Mixtures: Blends of two or more substances, such as air (a mixture of gases) or sand (a mixture of minerals).
Changes in Matter
- Physical Change: A change in the state of matter, such as melting or boiling, without changing its composition.
- Chemical Change: A change in the composition of matter, such as rusting or burning, resulting in a new substance.
Definition and Characteristics of Matter
- Matter is anything that has mass and occupies space, making up all objects, living and non-living.
- Matter has three main characteristics: mass, occupation of space, and inertia.
States of Matter
- Solids: Particles are closely packed, with a fixed shape and volume.
- Liquids: Particles are close together, able to move past each other, and take the shape of their container.
- Gases: Particles are widely spaced, able to move freely, and expand to fill their container.
- Plasmas: High-energy state of matter with ionized atoms, found in stars and lightning.
Properties of Matter
- Physical Properties: Characteristics that can be observed or measured, such as color, texture, and density, without changing the composition of matter.
- Chemical Properties: Characteristics that describe how matter reacts with other substances, such as flammability and reactivity.
Classification of Matter
- Elements: Substances composed of only one type of atom, such as hydrogen or oxygen.
- Compounds: Substances composed of two or more different elements, such as water (H2O) or salt (NaCl).
- Mixtures: Blends of two or more substances, such as air (a mixture of gases) or sand (a mixture of minerals).
Changes in Matter
- Physical Changes: Changes in the state of matter, such as melting or boiling, without changing its composition.
- Chemical Changes: Changes in the composition of matter, such as rusting or burning, resulting in a new substance.
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Description
Learn about the definition and characteristics of matter, including its states, and how it occupies space and has mass.
