Year 6

How do we see light?

In this lesson, we will learn the steps that take place when we see an object. We will draw diagrams to show how we see; we will learn the different parts and functions of the human eye; and we will learn why people wear glasses and sunglasses. In this lesson you will need a piece of paper, a pencil and a ruler.

Year 6

How do we see light?

In this lesson, we will learn the steps that take place when we see an object. We will draw diagrams to show how we see; we will learn the different parts and functions of the human eye; and we will learn why people wear glasses and sunglasses. In this lesson you will need a piece of paper, a pencil and a ruler.

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Lesson details

Key learning points

  1. Name the parts of the eye
  2. Describe how the lenses in glasses work

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
What is reflection?
An object that emits light
The absence of light
Correct answer: When light bounces off an object
Q2.
What is refraction?
Correct answer: When a light wave changes direction as it moves from one transparent material to another.
When an opaque object blocks light and creates a dark patch.
When the angle of incidence and reflection are equal.
Q3.
Which of these is NOT a use of refraction?
Creating a sparkling effect in diamonds
To focus light on a point
Correct answer: To use as a mirror
Q4.
Is photo A an example of reflection or refraction?
An image in a quiz
Reflection
Correct answer: Refraction
Q5.
Is photo B an example of reflection or refraction?
An image in a quiz
Correct answer: Reflection
Refraction

5 Questions

Q1.
What is reflection?
An object that emits light
The absence of light
Correct answer: When light bounces off an object
Q2.
Is diagram A or diagram B correct?
Correct answer: Diagram A
Diagram B
Q3.
What part of the eye is labelled C?
An image in a quiz
Correct answer: The lens
The optic nerve
The pupil
Q4.
Which best describes the pupil?
Correct answer: A hole through which the light enters
Carries signals from the eye to the brain
Focuses light onto the retina
Q5.
How would you describe the glass used to make sunglasses?
Opaque
Correct answer: Translucent
Transparent