Practice worksheet on light properties with diagrams illustrating refraction, reflection, and blocking of sunlight.

Let's solve this step-by-step, starting with the fill-in-the-blank section and then moving to the diagrams at the bottom.

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🔹 Part 1: Fill in the Blanks

We are given three word banks:

- Opaque
- Translucent
- Transparent

And another bank:

- Blocked
- Reflected
- Refracted

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#### ✔ Questions 1–6: Using Opaque, Translucent, Transparent

1. When light can pass through an object the object is transparent.
→ Light passes clearly through (e.g., glass).

2. When an object allows light to bounce off it or reflect the light the object is opaque.
→ Wait! This is tricky. Objects that reflect light can be opaque, but not all opaque objects reflect light. However, reflection occurs when light hits a surface and bounces back — this typically happens with opaque objects (since they don’t let light through). So, yes: opaque.

3. When an object causes light to scatter into different directions the object is translucent.
→ Translucent materials let some light through, but scatter it (e.g., frosted glass).

4. An example of transparent objects includes glass, air, or water.
→ Correct! These allow light to pass through clearly.

5. An example of opaque objects includes books, the moon, or walls.
→ Yes! These do not allow light to pass through.

6. An example of translucent objects includes eye glasses, prisms, or telescopes.
→ Hmm. Eye glasses and prisms are usually transparent, not translucent. But some eye glasses might be slightly translucent if tinted or foggy. Still, prisms and telescopes are made of transparent materials. This seems like a mismatch.

Wait — let’s recheck:

Actually, eye glasses (if clear) are transparent. Prisms are transparent. Telescopes are instruments, not materials.

But perhaps the intended answer is transparent, since these allow light to pass through clearly.

But the sentence says: “An example of _______ objects includes eye glasses, prisms, or telescopes.”

So, likely, the correct word is transparent, because these devices rely on light passing through them.

But earlier we used transparent for #4. That’s okay — multiple examples.

Wait — maybe there's a mistake in the question?

Let’s look again:

- #4: transparent → glass, air, water ✔
- #6: eye glasses, prisms, telescopes → also transparent

So maybe the word bank has only one use per word? No, the instructions say "use the word banks" — so reuse is allowed.

But wait — telescopes are not materials; they're instruments. But they contain transparent parts.

So probably, the intended answer is transparent.

But the word bank has:

- Opaque
- Translucent
- Transparent

So for #6: transparent is best.

But let’s double-check: Is there any chance it's refracted? No — the blank is for a type of object.

So:

> 6. An example of transparent objects includes eye glasses, prisms, or telescopes.

✔ That makes sense.

But wait — prisms and eyeglasses are transparent, yes.

So final answers:

1. transparent
2. opaque
3. translucent
4. transparent
5. opaque
6. transparent

Wait — but #6 says “eye glasses, prisms, or telescopes” — are those transparent? Yes.

But let’s consider: translucent means light passes through but scattered, like frosted glass.

Eye glasses are usually clear → transparent.

So yes.

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Now the second word bank:

- Blocked
- Reflected
- Refracted

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7. When light is reflected, it bounces off another surface.
→ Definition of reflection.

8. The boys and girls saw their shadows because their bodies blocked the light.
→ Shadows form when light is blocked.

9. The light from the Sun traveled through the water and was refracted below the sea.
→ Light bends when entering water → refraction.

10. It was hot, the man used an umbrella and blocked the hot Sun to keep him cool.
→ Umbrella blocks sunlight.

11. Because the light was refracted in the telescope, I could easily see the moon.
→ Telescopes use lenses (refraction) to bend light and magnify images.

12. My image was reflected in the mirror due to the light in the bathroom.
→ Mirrors reflect light.

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✔ Final Answers:

Section 1: Opaque, Translucent, Transparent

1. transparent
2. opaque
3. translucent
4. transparent
5. opaque
6. transparent

Section 2: Blocked, Reflected, Refracted

7. reflected
8. blocked
9. refracted
10. blocked
11. refracted
12. reflected

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🔹 Part 2: Draw Arrows for Refracted, Reflected, Blocked Light

We have three diagrams, each showing:

- A sun (light source)
- A tree (object)

And labels below:

1. Refracted
2. Reflected
3. Blocked

We need to draw arrows showing the direction and movement of light.

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#### 🔹 Diagram 1: Refracted

- Light goes from sun → through the tree?
- But trees are not transparent — so light doesn't go through.
- But the label says refracted, so we must assume the tree is replaced by something transparent (like water or glass), or we imagine light bending as it passes through a medium.

Wait — the diagram shows a tree. Trees are opaque, so light cannot pass through.

But the label says refracted — so perhaps we are to imagine that the light is going through a medium (like air, then water, etc.), but the tree is just a placeholder?

Alternatively, maybe the tree is not the obstacle — but the light is refracting in the atmosphere?

But that’s not shown.

Better interpretation: We are to draw how light behaves in each scenario, using the tree as an obstacle, but changing the behavior based on the label.

So:

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#### 🟨 Diagram 1: Refracted

- Light from the sun travels through a transparent medium (like air or water) and bends.
- But here, we have a tree — which is opaque.

Wait — contradiction.

Perhaps the tree is not blocking — instead, the light is passing through something near the tree?

But the drawing shows only the sun and the tree.

Alternative idea: Maybe the tree represents a transparent object in this context? Unlikely.

Wait — perhaps the tree is just part of the scene, and we are to draw how light would behave in each case.

But for refracted, we need a situation where light bends.

So: Draw light rays from the sun going through the tree? But trees block light.

No.

Ah! Here's the key: The tree is not the refracting object — maybe the ground or air is causing refraction? But no.

Better idea: In real life, refraction happens when light moves between media (air to water, etc.). But here, the diagram shows only sun and tree.

So perhaps we are to imagine that the tree is made of glass or water? Not realistic.

Alternatively, maybe the label tells us what kind of interaction to show, regardless of the object.

So:

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✔ Best Approach:

We are to illustrate the concept using the diagram, even if the object isn't ideal.

So:

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#### 🔹 1. Refracted (left panel)

- Draw light rays from the sun going toward the tree.
- As they pass through the tree (or near it), show them bending (changing direction).
- But trees don’t refract light — so instead, think: a prism or lens near the tree?
- Since it's a simple diagram, draw two rays:
- One ray from the sun, hitting the tree area.
- Then, after passing through, the ray bends (like in a prism).
- Add a label: "Refraction" with arrow bending.

👉 Draw:
- Arrow from sun → hits tree → then bends (curves) as it continues.
- Show light bending as it enters/exits a transparent medium (even though tree is opaque — but for this exercise, ignore realism).

Or better: Assume the tree is transparent for this scenario.

So: Draw straight line from sun → enters tree → bends inside → exits bent.

That’s how refraction works.

✔ So: Draw a ray from sun → hits tree → bends as it enters → bends again as it exits (like in a prism).

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#### 🔹 2. Reflected (middle panel)

- Light hits the tree and bounces off.
- Draw an arrow from sun → hits tree → bounces back (angle of incidence = angle of reflection).
- Show reflection off the surface.

✔ Draw:
- Ray from sun → hits tree → reflects upward or sideways at same angle.

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#### 🔹 3. Blocked (right panel)

- Tree blocks light → shadow forms behind it.
- Draw ray from sun → hits tree → stops.
- Draw a shadow behind the tree.

✔ Draw:
- Ray from sun → hits tree → ends there.
- Shade area behind tree to show shadow.

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✔ Summary of Diagrams:

| Panel | Label | Drawing Description |
|-------|------------|---------------------|
| 1 | Refracted | Light ray from sun → enters tree → bends (changes direction) → exits bent. Show slight curve or change in angle. |
| 2 | Reflected | Light ray from sun → hits tree → reflects off at equal angle. Draw arrow bouncing off. |
| 3 | Blocked | Light ray from sun → hits tree → stops. Draw shadow behind tree. |

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✔ Final Answer Key:

#### Fill-in-the-Blanks:

1. transparent
2. opaque
3. translucent
4. transparent
5. opaque
6. transparent
7. reflected
8. blocked
9. refracted
10. blocked
11. refracted
12. reflected

#### Diagrams:

- Refracted: Draw light ray bending as it passes through the tree (assume it's transparent).
- Reflected: Draw light ray bouncing off the tree.
- Blocked: Draw light ray stopping at the tree, with a shadow behind.

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💡 Explanation:

This worksheet teaches how light interacts with matter:

- Transparent: Light passes through clearly (glass, water).
- Translucent: Light passes but scatters (frosted glass).
- Opaque: Blocks light (books, walls).
- Reflected: Bounces off surface (mirror).
- Refracted: Bends when passing through different media (water, glass).
- Blocked: Light is stopped, forming shadows.

The drawings help visualize these concepts.

Let me know if you'd like a sketch description or printable version!