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Questions and Answers
If you observe that an object consistently occupies 50 $cm^3$ of space, which property of matter are you directly measuring?
If you observe that an object consistently occupies 50 $cm^3$ of space, which property of matter are you directly measuring?
- Weight
- Density
- Mass
- Volume (correct)
In which state of matter are particles tightly packed but able to slide past one another?
In which state of matter are particles tightly packed but able to slide past one another?
- Plasma
- Liquid (correct)
- Gas
- Solid
Which of the following statements accurately describes a key difference between liquids and gases?
Which of the following statements accurately describes a key difference between liquids and gases?
- The particles in liquids are more spread out than in gases.
- Liquids are easily compressed, while gases are not.
- Liquids have a definite shape, while gases have an indefinite shape.
- Liquids have a definite volume, while gases have an indefinite volume. (correct)
What is the classification of the three states of matter primarily based upon?
What is the classification of the three states of matter primarily based upon?
Consider a balloon filled with air. What happens to the volume of the balloon if the air inside is cooled?
Consider a balloon filled with air. What happens to the volume of the balloon if the air inside is cooled?
If a solid block of ice is left outside on a warm day, it will melt and eventually turn into water vapor. What sequence of state changes does the ice undergo?
If a solid block of ice is left outside on a warm day, it will melt and eventually turn into water vapor. What sequence of state changes does the ice undergo?
Why do solids have a definite shape and volume?
Why do solids have a definite shape and volume?
How does increasing the temperature typically affect the movement of particles in a substance?
How does increasing the temperature typically affect the movement of particles in a substance?
Which statement is true regarding the elemental composition of matter?
Which statement is true regarding the elemental composition of matter?
How does the arrangement of atoms in gases differ from that in solids, based on what you know about their properties?
How does the arrangement of atoms in gases differ from that in solids, based on what you know about their properties?
Flashcards
What is matter?
What is matter?
Anything that takes up space. It can be plants, buildings or even air.
What is mass?
What is mass?
The amount of matter in an object.
What is volume?
What is volume?
The amount of space that an object takes up.
What are solids?
What are solids?
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What are liquids?
What are liquids?
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What are gases?
What are gases?
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What are elements?
What are elements?
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Element's states?
Element's states?
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What are atoms?
What are atoms?
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Liquid, solid or gas?
Liquid, solid or gas?
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Study Notes
States of Matter
- Matter is anything that occupies space
- Examples of matter include plants, buildings, planets, animals, people and even air
Mass and Volume
- Mass refers to the amount of matter in an object
- Volume refers to the amount of space that an object occupies
Three States of Matter
- Solid
- Liquid
- Gas
- The classification of the three types of matter depends on:
- Particle arrangement
- Particle energy
- Distance between particles
Solids
- Particles of solids are tightly packed
- Particles of solids vibrate about a fixed position
- Solids have a definite shape and volume
Liquids
- Particles of liquids are tightly packed
- Particles of liquids are far enough apart to slide over one another
- Liquids have an indefinite shape and a definite volume
Gases
- Particles of gas are very far apart
- Particles of gas move freely
- Gases have an indefinite shape and an indefinite volume
Changes of State
-
Substances can change from one state to another at specific temperatures
-
Freezing point, melting point, and boiling point are some of the terms used to describe the different temperature states
Water
- Water can exist in all three states of matter
- Ice is the solid state of water
- When ice is set out in the sun it will melt and become liquid
- Water left in the sun will eventually evaporate and become a gas or water vapor
Quick Quiz
- Some solids can become liquids
Chemical Elements
- Elements are materials that cannot be broken down into anything simpler by chemical reactions
- Most elements are solid
- Some elements are gases
- Only a few elements are liquid
- Elements are made of atoms
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