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Questions and Answers
A substance that can exist in all three states of matter is oxygen.
False
Liquids have a definite shape.
False
Solids can flow freely.
False
The primary difference between petrol and milk is their density.
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Plasma is a state of matter.
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Milk is an example of a solid.
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The property that defines a solid is that it has no definite shape.
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Air is an example of a solid.
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A book is in a liquid state when dropped on the floor.
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Gases have a fixed volume and shape.
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Solids can change volume easily.
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The volume of a gas increases when it is compressed.
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Air can be classified as a type of matter.
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Oxygen is classified as a metal.
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Liquids can be compressed easily.
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The primary focus of the activities is to learn about chemical reactions.
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Study Notes
Definition of Matter
- Matter is anything that occupies space and has mass.
States of Matter
- There are three main states of matter: solid, liquid, and gas.
- Plasma is not a state of matter.
Properties of Solids
- Solids have a definite shape and fixed volume.
- They have distinct boundaries.
- Examples of solids include ice and books.
Properties of Liquids
- Liquids have a fixed volume but take the shape of their container.
- They can flow freely.
- Examples of liquids include water, petrol, and milk.
Properties of Gases
- Gases take the shape and volume of their container.
- They can be compressed.
- Examples of gases include air and water vapor.
Classification of Matter
- Matter can be classified by its state: solid, liquid, or gas.
Other Key Facts
- Solids keep their shape when placed in a different container.
- Liquids have a fixed volume, but their shape can change.
- Gases can change volume easily and take the shape of their container.
- Matter can exist in different states, such as water existing as a solid (ice), liquid (water), or gas (water vapor).
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Description
Test your understanding of the definition of matter and its different states, including solid, liquid, and gas.
