Properties of Matter worksheet for students to answer questions and research answers.

Properties of Matter Worksheet Solution

#### Directions: What do you know about the properties of matter? Answer each question, then research to see if you were correct.

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1. What is matter?

Answer: Matter is anything that has mass and takes up space (volume). It is made up of particles such as atoms or molecules.

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2. What are the three states of matter?

Answer: The three states of matter are:
- Solid
- Liquid
- Gas

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3. Which state holds its own shape?

Answer: Solids hold their own shape because the particles in a solid are tightly packed and have strong intermolecular forces, keeping them in a fixed position relative to one another.

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4. What do you know about a gas's molecules?

Answer: Gas molecules are far apart from each other and move freely in all directions at high speeds. They have weak intermolecular forces, which allow them to expand to fill any container they are placed in. Gases also have no definite shape or volume.

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5. What state of matter takes the shape of its container?

Answer: Liquids take the shape of their container. This is because liquid molecules are close together but can slide past each other, allowing the liquid to conform to the shape of its container while maintaining a fixed volume.

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6. What do you know about a solid's molecules?

Answer: Solid molecules are closely packed together and vibrate in place but do not move freely. They have strong intermolecular forces that keep the particles in a fixed arrangement, giving solids a definite shape and volume.

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7. Name three solids.

Answer:
- Wood
- Iron
- Ice (when frozen)

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8. Name three liquids.

Answer:
- Water
- Milk
- Oil

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9. Name three gases.

Answer:
- Air
- Oxygen
- Carbon dioxide

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10. All matter has ________ and takes up ________.

Answer:
All matter has mass and takes up space (volume).

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Explanation of Key Concepts:

1. Matter: Matter is the "stuff" that makes up everything around us. It has both mass and volume, meaning it occupies space and has weight.

2. States of Matter:
- Solid: Fixed shape and volume (e.g., ice, wood).
- Liquid: Takes the shape of its container but has a fixed volume (e.g., water, milk).
- Gas: Takes both the shape and volume of its container (e.g., air, oxygen).

3. Particles in Different States:
- Solids: Particles are tightly packed and vibrate in place.
- Liquids: Particles are close together but can slide past each other.
- Gases: Particles are far apart and move freely in all directions.

4. Mass and Volume: These are fundamental properties of matter. Mass refers to the amount of matter in an object, while volume refers to the space it occupies.

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Final Answer:

\boxed{
\begin{aligned}
1. & \text{Matter is anything that has mass and takes up space.} \\
2. & \text{Solid, Liquid, Gas} \\
3. & \text{Solid} \\
4. & \text{Gas molecules are far apart, move freely, and have weak intermolecular forces.} \\
5. & \text{Liquid} \\
6. & \text{Solid molecules are closely packed and vibrate in place.} \\
7. & \text{Wood, Iron, Ice} \\
8. & \text{Water, Milk, Oil} \\
9. & \text{Air, Oxygen, Carbon dioxide} \\
10. & \text{Mass, Space (Volume)} \\
\end{aligned}
}