Science: Light direction 1 | Worksheet | PrimaryLeap.co.uk - Free Printable

Understanding the Problem

The task is about understanding how light travels and reflects off objects. The key concept here is:

> Light travels in straight lines and can only be seen when it enters the eye — either directly from a light source or after being reflected off an object.

In the diagram:
- The sun is the light source.
- Light rays travel in straight lines from the sun to an object (in this case, a chair).
- The light reflects off the chair and then travels in a straight line to the eye.
- You are asked to draw arrows showing the path of reflected light from the chair to the eye.

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Step-by-Step Solution

1. Identify the direction of incoming light:
- The sun emits light rays that travel in straight lines toward the chair.
- These rays hit the surface of the chair.

2. Reflection Principle:
- When light hits a surface, it reflects off it.
- The reflected ray travels away from the object in a straight line.
- The angle of incidence equals the angle of reflection (though for this level, exact angles aren't required — just correct direction).

3. Draw the reflected path:
- From the point where the light hits the chair, draw an arrow going toward the eye.
- This arrow represents the reflected light that allows us to see the chair.

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✔ How to Complete the Diagram

Here’s what you should do:

1. Draw arrows from the sun to the chair:
- Already shown in the first diagram as examples.
- In the second diagram, you don’t need to draw these — they’re implied.

2. Draw arrows from the chair to the eye:
- Start at the chair (where light hits it).
- Draw a straight arrow going from the chair toward the eye.
- Make sure the arrow points from the chair to the eye, indicating the reflected light.

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🖼️ Visual Description of the Answer

Imagine the setup:

```
Sun → (light rays) → Chair → (reflected light) → Eye
```

So on the blank diagram:
- Draw one or more straight arrows starting from the chair and pointing toward the eye.
- These arrows represent the reflected light that reaches the eye, allowing us to see the chair.

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🔍 Why This Happens

- We cannot see objects unless light from them enters our eyes.
- The chair doesn't produce its own light, so we see it because sunlight bounces off it and into our eyes.
- That's why the reflected light must go from the chair to the eye.

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✔ Final Answer (What to Draw)

On the bottom diagram:
- Draw a straight arrow starting from the chair and ending at the eye, showing the path of reflected light.

This completes the task correctly.

Let me know if you'd like a visual sketch description!