Podcast
Questions and Answers
If water boils into steam, is it still water, or does it become something new?
If water boils into steam, is it still water, or does it become something new?
True (A)
If water freezes into ice, is it still water, or does it become something new?
If water freezes into ice, is it still water, or does it become something new?
True (A)
Physical properties can be observed without actually changing the identity of the sample.
Physical properties can be observed without actually changing the identity of the sample.
True (A)
What are the states of matter?
What are the states of matter?
Density is the amount of mass of a substance in a given volume
Density is the amount of mass of a substance in a given volume
What is an example of density?
What is an example of density?
Malleability is the ability to be compressed or pounded into a thin sheet without shattering
Malleability is the ability to be compressed or pounded into a thin sheet without shattering
What is an example of malleability?
What is an example of malleability?
Ductility is the ability to be stretched or drawn into the shape of a thread, strand, or wire.
Ductility is the ability to be stretched or drawn into the shape of a thread, strand, or wire.
Thermal conductivity is the ability to transfer heat to something else.
Thermal conductivity is the ability to transfer heat to something else.
What is an example of thermal conductivity?
What is an example of thermal conductivity?
Electrical conductivity is the ability for a substance to conduct electricity.
Electrical conductivity is the ability for a substance to conduct electricity.
Flashcards
Physical State
Physical State
The form (solid, liquid, or gas) in which matter exists at various temperatures.
Density
Density
A measure of how much mass a substance has in a given volume. It's all about how tightly packed the matter is.
Malleability
Malleability
The ability of a substance to be hammered into a thin sheet without breaking.
Ductility
Ductility
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Thermal Conductivity
Thermal Conductivity
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Electrical Conductivity
Electrical Conductivity
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Physical Properties
Physical Properties
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Boiling
Boiling
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Freezing
Freezing
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Boiling Point
Boiling Point
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Freezing Point
Freezing Point
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What is an example of a malleable substance?
What is an example of a malleable substance?
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What is an example of a ductile substance?
What is an example of a ductile substance?
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What is an example of a substance with high thermal conductivity?
What is an example of a substance with high thermal conductivity?
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What is an example of a substance with high electrical conductivity?
What is an example of a substance with high electrical conductivity?
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What is an example of a substance that is a solid at room temperature?
What is an example of a substance that is a solid at room temperature?
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What is an example of a substance that is a liquid at room temperature?
What is an example of a substance that is a liquid at room temperature?
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What is an example of a substance that is a gas at room temperature?
What is an example of a substance that is a gas at room temperature?
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What is a physical change?
What is a physical change?
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What is a chemical change?
What is a chemical change?
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What is a solid state?
What is a solid state?
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What is a liquid state?
What is a liquid state?
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What is a gaseous state?
What is a gaseous state?
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What is the term that describes a substance's ability to be stretched, bent, or compressed without breaking?
What is the term that describes a substance's ability to be stretched, bent, or compressed without breaking?
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What is the term that describes a substance's ability to withstand stress without breaking or deforming?
What is the term that describes a substance's ability to withstand stress without breaking or deforming?
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What is the term that describes a substance's ability to return to its original shape after being deformed?
What is the term that describes a substance's ability to return to its original shape after being deformed?
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What is the change from a liquid to a gas called?
What is the change from a liquid to a gas called?
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What is the change from a gas to a liquid called?
What is the change from a gas to a liquid called?
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What is the change from a liquid to a solid called?
What is the change from a liquid to a solid called?
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What is the change from a solid to a liquid called?
What is the change from a solid to a liquid called?
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What is matter?
What is matter?
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Study Notes
States of Matter
- Water, when heated, changes from a liquid to a gas (steam) at 100°C.
- Water, when cooled, changes from a liquid to a solid (ice) at 0°C.
- These changes do not alter the water's fundamental nature.
Physical Properties
- Physical properties describe matter without changing its identity.
- Examples of physical properties include color, odor, taste, and state (liquid, solid, gas).
- Physical properties include:
Physical State
- Physical state describes the form of matter (solid, liquid, or gas) at a given temperature
Density
- Density is the mass of a substance per unit volume.
- Lead is denser than water, making it suitable for fishing weights.
- Higher density indicates greater mass in the same volume.
Malleability
- Malleability is the ability to be shaped or hammered into sheets without shattering.
- Aluminum can be hammered into sheets, like aluminum foil.
Ductility
- Ductility is the ability to be drawn into wires or threads.
- Candy taffy is ductile.
Thermal Conductivity
- Thermal conductivity is the ability to transfer heat.
- Metals are good thermal conductors, used in cookware.
Electrical Conductivity
- Electrical conductivity is the ability to conduct electricity.
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