Parts of the Microscope worksheet - Free Printable

Let's solve this step-by-step by identifying each numbered part of the microscope using the word bank provided.

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🔍 Step 1: Understand the Word Bank

Here are the parts listed in the word bank:
- eyepiece
- arm
- stage
- diaphragm
- nosepiece
- high power
- low power
- body tube
- medium power
- light source
- stage clips
- base
- fine adjustment
- coarse adjustment

We’ll assign these to the correct numbers on the diagram.

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🧩 Step 2: Identify Each Numbered Part

Let’s go through each number and match it with the correct label based on typical microscope anatomy:

#### 1. → Eyepiece
- This is the lens at the top that you look into.
- Also called the ocular lens.

✔ Answer: eyepiece

#### 2. → Body Tube
- The long tube connecting the eyepiece to the nosepiece.
- It holds the optical path.

✔ Answer: body tube

#### 3. → Nosepiece
- The rotating part that holds the objective lenses (low, medium, high power).
- Usually has multiple lenses attached.

✔ Answer: nosepiece

#### 4. → Objective Lenses (High Power)
- The lenses on the nosepiece. There are usually three: low, medium, high power.
- Since this is the topmost one, it's likely the high power lens.

✔ Answer: high power

#### 5. → Stage
- The flat platform where the slide is placed for viewing.
- Often has clips to hold the slide.

✔ Answer: stage

#### 6. → Stage Clips
- Small metal clips on the stage that hold the slide in place.

✔ Answer: stage clips

#### 7. → Diaphragm
- Located beneath the stage; controls the amount of light passing through the specimen.
- Often a rotating disk with different-sized holes.

✔ Answer: diaphragm

#### 8. → Light Source
- The bulb or mirror at the bottom that illuminates the specimen.

✔ Answer: light source

#### 9. → Arm
- The curved support that connects the base to the head of the microscope.
- You carry the microscope by the arm.

✔ Answer: arm

#### 10. → Base
- The flat, sturdy bottom part that supports the entire microscope.

✔ Answer: base

#### 11. → Coarse Adjustment Knob
- The larger knob used to move the stage up and down quickly for initial focusing.

✔ Answer: coarse adjustment

#### 12. → Fine Adjustment Knob
- The smaller knob used for precise focusing after coarse adjustment.

✔ Answer: fine adjustment

#### 13. → Low Power Objective Lens
- One of the lenses on the nosepiece — typically the shortest one.
- Used for lower magnification.

✔ Answer: low power

#### 14. → Medium Power Objective Lens
- The middle-sized lens on the nosepiece.
- Offers medium magnification.

✔ Answer: medium power

> ⚠️ Note: Some diagrams might label "medium power" as a separate lens from "high power", so if only one objective is labeled, we assume the labels refer to the lenses themselves.

But wait — let's double-check: We already used high power for #4. So:
- #13 is likely low power, and
- #14 is medium power?

Wait — #13 and #14 both point to objective lenses on the nosepiece.

Looking closely:
- #13 points to the lower objective lens (usually low power)
- #14 points to the middle one (medium power)

But the nosepiece (#3) holds all three.

So:
- #4 = high power (top lens)
- #13 = low power (bottom lens)
- #14 = medium power (middle lens)

Yes, that makes sense.

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✔ Final Answers:

| Number | Label |
|--------|-----------------------|
| 1 | eyepiece |
| 2 | body tube |
| 3 | nosepiece |
| 4 | high power |
| 5 | stage |
| 6 | stage clips |
| 7 | diaphragm |
| 8 | light source |
| 9 | arm |
| 10 | base |
| 11 | coarse adjustment |
| 12 | fine adjustment |
| 13 | low power |
| 14 | medium power |

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📝 Summary

The completed labeling uses the word bank correctly, matching each part to its anatomical position:

- Optical Path: Eyepiece → Body Tube → Nosepiece (with low, medium, high power objectives)
- Stage & Lighting: Stage, stage clips, diaphragm, light source
- Adjustments: Coarse and fine adjustment knobs
- Structure: Arm, base

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✔ All 14 parts are now correctly labeled using the provided word bank.

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