States of matter worksheet - STATES OF MATTER WORK SHEET NAME ... - Free Printable

States of Matter Worksheet Solution

#### Instructions:
- Use complete sentences when required.
- Spelling counts.

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Worksheet Questions and Answers:

#### 1. Name the four states of matter.
Answer: The four states of matter are solid, liquid, gas, and plasma.

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#### 2. Define solids.
Answer: Solids are materials that have a definite shape and volume. Under normal conditions, they will not change their own shape or size.

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#### 3. Define liquids.
Answer: Liquids are materials that have no definite shape but do have a definite volume. Under normal conditions, they can change their shape depending on their container.

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#### 4. Define gas.
Answer: Gases are materials that have no definite shape or definite volume. Under normal conditions, gases are always changing their shape and volume.

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#### 5. Define plasma.
Answer: Plasma is a state of matter that has the properties of every other gas. However, it has very special abilities. When it is heated or charged with electricity, it may glow in different colors and may form "strings" of light.

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#### 6. Define fluid.
Answer: Fluid is not a state of matter. It is a term used to describe gasses, liquids, and plasma because they are always changing their shape.

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#### 7. All matter has _______ and takes up _______.
Answer: All matter has mass and takes up space.

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#### 8. Liquids take up a _______ amount of space.
Answer: Liquids take up a definite amount of space.

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#### 9. Solids have a _______ shape.
Answer: Solids have a definite shape.

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#### 10. Gasses and plasma are called _______ because their shape is always changing.
Answer: Gasses and plasma are called fluids because their shape is always changing.

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#### 12. Solids have a _______ volume.
Answer: Solids have a definite volume.

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#### 13. Liquids have a _______ volume.
Answer: Liquids have a definite volume.

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#### 14. Why are solids, liquids, plasma, and gas considered matter?
Answer: Solids, liquids, plasma, and gas are considered matter because all matter has mass and takes up space. These states represent the natural conditions in which materials exist, and they are used to identify different forms of matter based on their physical properties.

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Final Answer Summary:

1. Solid, liquid, gas, plasma
2. Solids are materials that have a definite shape and volume.
3. Liquids are materials that have no definite shape but do have a definite volume.
4. Gases are materials that have no definite shape or definite volume.
5. Plasma is a state of matter that has the properties of every other gas and can glow when heated or charged with electricity.
6. Fluid is not a state of matter; it describes gasses, liquids, and plasma because they are always changing their shape.
7. Mass, space
8. Definite
9. Definite
10. Fluids
12. Definite
13. Definite
14. Solids, liquids, plasma, and gas are considered matter because all matter has mass and takes up space.

Boxed Final Answer:
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\text{See detailed answers above.}
}