Properties of Matter worksheet with questions on states of matter, molecules, and material properties.

Problem: Solving the "Properties of Matter" Worksheet

The worksheet asks questions about the properties of matter. Below is a detailed explanation and solution for each question.

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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.
- Explanation: Matter is the physical substance that makes up everything in the universe, including solids, liquids, and gases. It occupies space and has mass, which means it can be measured and weighed.

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#### 2. What are the three states of matter?
- Answer: The three states of matter are:
1. Solid
2. Liquid
3. Gas
- Explanation: These are the primary forms in which matter exists under normal conditions. Each state has distinct properties related to the arrangement and movement of its particles.

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#### 3. Which state holds its own shape?
- Answer: Solid
- Explanation: Solids have a definite shape and volume because their particles are closely packed together and vibrate in place but do not move freely. This gives them a fixed structure.

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#### 4. What do you know about a gas's molecules?
- Answer: Gas molecules are far apart from each other, move rapidly in random directions, and spread out to fill any container they are placed in.
- Explanation: In a gas, the particles have high kinetic energy, allowing them to move freely and collide with each other and the walls of their container. They do not have a fixed shape or volume and will expand to occupy the entire space available.

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#### 5. What state of matter takes the shape of its container?
- Answer: Liquid and Gas
- Explanation: Both liquids and gases lack a fixed shape. Liquids take the shape of their container while maintaining a constant volume, whereas gases both take the shape and volume of their container.

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#### 6. What do you know about a solid's molecules?
- Answer: Solid molecules are tightly packed together and vibrate in place. They have a fixed shape and volume because the particles are held in a rigid structure.
- Explanation: In solids, the particles are closely arranged in a regular pattern (in crystalline solids) or randomly (in amorphous solids). The strong intermolecular forces keep the particles in a fixed position, giving solids their rigidity.

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#### 7. Name three solids.
- Answer:
1. Wood
2. Iron
3. Ice (when frozen)
- Explanation: Solids can be natural materials like wood or metals like iron. Even substances like ice are solids when they are frozen, despite being liquid at room temperature.

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#### 8. Name three liquids.
- Answer:
1. Water
2. Milk
3. Oil
- Explanation: Liquids flow and take the shape of their container but maintain a constant volume. Examples include common substances like water, milk, and oil.

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#### 9. Name three gases.
- Answer:
1. Air
2. Oxygen
3. Carbon dioxide
- Explanation: Gases are substances that have no fixed shape or volume and will expand to fill any container. Common examples include air (a mixture of gases), oxygen, and carbon dioxide.

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#### 10. All matter has _______ and takes up _______.
- Answer: All matter has mass and takes up space (volume).
- Explanation: Mass is the amount of matter in an object, and volume is the space it occupies. These are fundamental properties of all matter.

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Final Answer:

1. Matter is anything that has mass and takes up space.
2. The three states of matter are solid, liquid, and gas.
3. Solid holds its own shape.
4. Gas molecules are far apart, move rapidly, and spread out to fill any container.
5. Liquid and gas take the shape of their container.
6. Solid molecules are tightly packed and vibrate in place, giving solids a fixed shape and volume.
7. Three solids: Wood, Iron, Ice.
8. Three liquids: Water, Milk, Oil.
9. Three gases: Air, Oxygen, Carbon dioxide.
10. All matter has mass and takes up space (volume).

Final Boxed Answer:
\[
\boxed{
\text{1. Matter is anything that has mass and takes up space.} \\
\text{2. Solid, Liquid, Gas.} \\
\text{3. Solid.} \\
\text{4. Gas molecules are far apart, move rapidly, and spread out.} \\
\text{5. Liquid and Gas.} \\
\text{6. Solid molecules are tightly packed and vibrate in place.} \\
\text{7. Wood, Iron, Ice.} \\
\text{8. Water, Milk, Oil.} \\
\text{9. Air, Oxygen, Carbon dioxide.} \\
\text{10. Mass, Space (Volume).}
}
\]