New
New
Year 3

Light and seeing

I can explain that light is necessary for us to see things.

New
New
Year 3

Light and seeing

I can explain that light is necessary for us to see things.

Lesson details

Key learning points

  1. We use our eyes to see objects.
  2. We need light to be able to see.
  3. Darkness is when there is there no light.
  4. We often need to rely on other senses when there is no light.

Keywords

  • Eye - The eyes are the organs with which we see.

  • See - We use our sense of sight to see things. We use our eyes to see.

  • Light - We can detect light with our eyes in order to see things.

  • Dark - Dark means without light.

Common misconception

Humans can see without light.

Explanation of how humans can see with a little light but cannot see when no light is present.

If possible, use a sensory room or tent to make a dark den for Task A. Ensure pupils understand that it is only dark when there is no light and they cannot see, which may be hard to achieve.
Teacher tip

Equipment

Blindfolds, opaque materials for making dark dens.

Content guidance

  • Risk assessment required - physical activity

Supervision

Adult supervision required

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Which of these do plants need in order to grow and stay healthy?
An image in a quiz
love
Correct answer: light
Correct answer: water
darkness
Q2.
Which word describes a material that lets light pass through it?
An image in a quiz
smooth
opaque
Correct answer: transparent
Q3.
Which word describes a material that does not let light pass through it?
An image in a quiz
Correct answer: opaque
transparent
waterproof
Q4.
In summer the length of days is ...
An image in a quiz
Correct answer: longer.
shorter.
the same as every other season.
Q5.
Which season has the shortest day length?
An image in a quiz
Correct Answer: winter
Q6.
Which of these images shows shadows?
image 1
Correct answer: image 2
image 3

6 Questions

Q1.
Which body part do humans use to see?
skin
Correct answer: eyes
ears
Q2.
What do humans need to be able to see?
An image in a quiz
noise
smell
Correct answer: light
Q3.
Which sense do humans use when they look at things?
An image in a quiz
Correct answer: sight
taste
touch
Q4.
When it is dark, there is ...
An image in a quiz
Correct answer: no light.
a little light.
a lot of light.
Q5.
Which image shows darkness?
image 1
Correct answer: image 2
image 3
Q6.
What can help Izzy to complete an obstacle course while wearing a blindfold?
An image in a quiz
Correct answer: Listening carefully to instructions from her friend.
Sniffing each obstacle.
Correct answer: Using her hands and feet to feel her way forwards.
Looking where she is going.