Density and Volume in Metric Worksheet - Free Printable

Let's solve each question in the worksheet "Density and Volume in Metric" by choosing the best measurement unit (liters, milliliters, grams, or kilograms) for each object. We’ll go through them one by one with explanations.

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1. The volume of a bottle of nail polish

- Image: Small bottle of nail polish
- Best unit: milliliters
- Explanation: Nail polish bottles are small and contain a small amount of liquid. Milliliters are used for small volumes of liquids.
- ✔ Answer: milliliters

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2. The weight of a walnut

- Image: A walnut
- Best unit: grams
- Explanation: A walnut is small and light, but not extremely light. Grams are appropriate for small objects like this.
- ✔ Answer: grams

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3. The volume of a bottle of soda

- Image: 2-liter soda bottle
- Best unit: liters
- Explanation: Soda bottles are typically measured in liters (e.g., 1 liter, 2 liters). This is a large volume of liquid.
- ✔ Answer: liters

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4. The weight of a duck

- Image: A duck
- Best unit: kilograms
- Explanation: A duck is fairly heavy — typically several kilograms. Grams would be too small; kilograms are more appropriate.
- ✔ Answer: kilograms

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5. The volume of water in a fish bowl

- Image: Fish bowl with water
- Best unit: liters
- Explanation: A fish bowl holds a moderate to large amount of water, usually measured in liters.
- ✔ Answer: liters

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6. The volume of a dose of cough medicine

- Image: Small cup with liquid
- Best unit: milliliters
- Explanation: Cough medicine doses are small, often 5–10 mL. Milliliters are used for small liquid volumes.
- ✔ Answer: milliliters

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7. The weight of a paper clip

- Image: Paper clip
- Best unit: grams
- Explanation: A paper clip is very light, but still measurable in grams (about 1 gram). Milligrams would be too precise, and kilograms are way too large.
- ✔ Answer: grams

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8. The volume of a tank of gasoline

- Image: Gas pump
- Best unit: liters
- Explanation: Gasoline tanks hold many liters (e.g., 50–60 liters). Liters are standard for fuel volume.
- ✔ Answer: liters

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9. The weight of an elephant

- Image: Elephant
- Best unit: kilograms
- Explanation: Elephants weigh thousands of kilograms (e.g., 5,000 kg). Kilograms are appropriate for such large masses.
- ✔ Answer: kilograms

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10. The weight of a feather

- Image: Feather
- Best unit: grams
- Explanation: Feathers are very light, but still measured in grams (often less than 1 gram). Milligrams might be used in science labs, but grams is the best choice among the options.
- ✔ Answer: grams

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11. The volume of a teaspoon of vanilla

- Image: Teaspoon with liquid
- Best unit: milliliters
- Explanation: A teaspoon holds about 5 milliliters. This is a small volume of liquid.
- ✔ Answer: milliliters

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12. The weight of an automobile

- Image: Car
- Best unit: kilograms
- Explanation: Cars weigh around 1,000 to 2,000 kilograms. Kilograms are the correct unit for large objects like cars.
- ✔ Answer: kilograms

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✔ Final Answers Summary:

| Question | Best Unit |
|--------|------------------|
| 1 | milliliters |
| 2 | grams |
| 3 | liters |
| 4 | kilograms |
| 5 | liters |
| 6 | milliliters |
| 7 | grams |
| 8 | liters |
| 9 | kilograms |
| 10 | grams |
| 11 | milliliters |
| 12 | kilograms |

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📝 Tips:

- Use grams for small masses (like food, small objects).
- Use kilograms for larger masses (animals, vehicles).
- Use milliliters for small liquid volumes (medicine, spices).
- Use liters for larger liquid volumes (bottles, tanks).

Let me know if you'd like a printable version or a labeled answer key!