The task is to classify each item as a
solid,
liquid, or
gas. Below is the solution with explanations for each item:
---
1. Milk
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Classification: Liquid
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Explanation: Milk is a liquid because it flows and takes the shape of its container.
---
2. Cookie
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Classification: Solid
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Explanation: A cookie has a fixed shape and volume, which are characteristics of solids.
---
3. Oxygen
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Classification: Gas
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Explanation: Oxygen is a gas at room temperature and pressure. It does not have a fixed shape or volume and expands to fill any container.
---
4. Fish
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Classification: Solid
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Explanation: A fish has a definite shape and volume, making it a solid. Although it contains water, the overall structure of the fish is solid.
---
5. Pencil
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Classification: Solid
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Explanation: A pencil has a fixed shape and volume, which are properties of solids.
---
6. Maple syrup
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Classification: Liquid
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Explanation: Maple syrup flows and takes the shape of its container, so it is classified as a liquid.
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7. Shampoo
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Classification: Liquid
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Explanation: Shampoo is a liquid that flows and takes the shape of its container.
---
8. Carbon dioxide
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Classification: Gas
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Explanation: Carbon dioxide is a gas at room temperature and pressure. It expands to fill any container and does not have a fixed shape or volume.
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9. Ice cube
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Classification: Solid
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Explanation: An ice cube is in the solid state of water. It has a fixed shape and volume.
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10. Paint
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Classification: Liquid
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Explanation: Paint flows and takes the shape of its container, so it is classified as a liquid.
---
11. Oil
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Classification: Liquid
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Explanation: Oil flows and takes the shape of its container, making it a liquid.
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12. Salt
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Classification: Solid
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Explanation: Salt (sodium chloride) has a fixed shape and volume when it is in crystal form, so it is a solid.
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13. Water vapor
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Classification: Gas
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Explanation: Water vapor is the gaseous state of water. It expands to fill any container and does not have a fixed shape or volume.
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14. Gasoline
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Classification: Liquid
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Explanation: Gasoline is a liquid that flows and takes the shape of its container.
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15. Helium
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Classification: Gas
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Explanation: Helium is a gas at room temperature and pressure. It expands to fill any container and does not have a fixed shape or volume.
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16. Sand
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Classification: Solid
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Explanation: Sand is composed of small solid particles. Each grain of sand has a fixed shape and volume, making it a solid.
---
Final Answer:
\[
\boxed{
\begin{array}{ll}
1. \text{Milk} & \text{Liquid} \\
2. \text{Cookie} & \text{Solid} \\
3. \text{Oxygen} & \text{Gas} \\
4. \text{Fish} & \text{Solid} \\
5. \text{Pencil} & \text{Solid} \\
6. \text{Maple syrup} & \text{Liquid} \\
7. \text{Shampoo} & \text{Liquid} \\
8. \text{Carbon dioxide} & \text{Gas} \\
9. \text{Ice cube} & \text{Solid} \\
10. \text{Paint} & \text{Liquid} \\
11. \text{Oil} & \text{Liquid} \\
12. \text{Salt} & \text{Solid} \\
13. \text{Water vapor} & \text{Gas} \\
14. \text{Gasoline} & \text{Liquid} \\
15. \text{Helium} & \text{Gas} \\
16. \text{Sand} & \text{Solid} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of matter worksheet 3rd grade.
