Kid optical illusion


Optical Illusions | Optics for Kids

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What is an Optical Illusion?

Optical Illusions can use color, light and patterns to create images that can be deceptive or misleading to our brains. The information gathered by the eye is processed by the brain, creating a perception that in reality, does not match the true image. Perception refers to the interpretation of what we take in through our eyes. Optical illusions occur because our brain is trying to interpret what we see and make sense of the world around us. Optical illusions simply trick our brains into seeing things which may or may not be real.

Try out some of these illusions and discover just how tricky it can be for your brain to accurately interpret the images from your eyes. Click on any of the images below to begin your exploration of optical illusions.

Moiré

Are the pinwheels moving?

Answer: No, the wheels are not turning. The Moiré effect can produce interesting and beautiful geometric patterns.

Light Bulb

Stare closely at this light bulb for 25 seconds. Then immediately stare at a white wall or sheet of paper. What do you see?

Answer: You should see a glowing light bulb!

Elephant Legs

How many legs do I have?

Answer: Four

Teach

In this illusion you can see the word Teach and its reflection. Can you read the reflection too? What does it say?

Answer: Learn

The Animal

How many animals do you see in the image?

Answer: Look closely, you should be able to see a rabbit and a duck.

The Box and the Sphere

Keep your eyes on the dot. Is it in the front or in the back of the cube?

Ask a friend and see if they agree!

Color Blind

What number do you see in the circle?

Answer: You should be able to see the number 26, but people with various degrees of color blindess may only see the 2 or the 6. 

Color Illusion

How many colors are present in the image?

Answer: One shade of green and one shade of red!&nbsp;<br /> <br /> It may look as if the two arms of the &quot;X&quot; use different shades of red, but in face the whole &quot;X&quot; only uses a single shade of red. Likewise, only one shade of green is present throughout the image.&nbsp;

Gradients

Which side of inset bar is darker?

Answer: They are both the same shade!

Hermann Grid Illusion

Count all the black dots you can see

Answer: There are no black dots. <br /> <br /> If you focus directly on each dot, you&#39;ll see that all of them are white.&nbsp;

Horizontal Lines

Are the horizontal lines sloping or straight?

Answer: All of the lines are straight.<br /> <br /> The black and white blocks are not aligned and thus fool your brain into thinking that the lines are sloping.

Kanizsa Triangle

How many triangles are present in the image?

Answer: There are no triangles.<br /> <br /> In reality there are only 3 V shapes and 3 shapes that look like Pac-Men.

Muller-Lyer Illusion

Take a very close look at the 2 vertical lines. Do you think one line is longer than the other?

Answer: They are the same size! Hard to believe; get out your ruler to measure the lines and see for yourself!

My Wife and My Mother-in-Law

How many figures can you see in the image below?

Answer: If you look closely, you can see both a young and an elderly woman. <br /> <br /> The picture, My Wife and My Mother-in-Law, is a good example of two images existing in one, and was published in 1915 by the cartoonist W.E. Hill.

Snakes

Are the circles moving in the image?

Answer: Look closely, they aren&#39;t moving.

Zollner Illusion

Do you think these lines are parallel?

Answer: They are parallel!

Refraction Illusion

Are both arrows pointing the same direction on the paper behind the glass?

Yes! This illusion demonstrations <a href="~/what-is-optics/refraction/">refraction</a>, the bending of light.&nbsp;

11 Optical illusions for kids

Optical Illusions for kids play with the way an object appearsthrough the use of colour, light, images and patterns to manipulate what our brains are perceiving.

why do we see them?

Our visual system has limits in tackling all the information our eyes take in. So our minds take shortcuts and our brain constantly chooses the most likely interpretation of what we see.

Check out some interesting optical illusions for kids below and let us know which one you liked best.


HOOT HOOT

They say that some of the greatest moments in life are unplanned.

What we see is the face of a mysterious owl staring back from the cup of a mans morning coffee.

What it really is? This optical illusion was created, as a result of two Hula Hoops (potato snacks) being dropped into the mug.

Read more.


MOVING SQUARES

Scroll this picture up and down and the squares will move.

How does this happen? One theory is that when you move your head back and forth, the alternating dark and light patterns can seem to cause the perception of movement.

Read more.


My Wife and My Mother-in-Law

The illusion is considered to be one of the most famous optical illusions in the world (dating back to 1915).

Some people see a young lady with her head turned towards the background while others see an elderly woman’s side profile.

What do you see? It’s almost impossible to see both at the same time!

Australian researchers asked 393 participants aged 18 to 68 to tell them who they saw in the optical illusion. The results, published in the August 2018 issue of Scientific Reports showed that the youngest set of people tended to see the wife first, while the oldest set of participants tended to see the mother-in-law first.

Read more.

Lightbulb magic


All you need to do is stare closely at this light bulb for 25 seconds.
Then immediately stare at a white wall or sheet of paper.

What do you see?

You should see a glowing light bulb!

SOULMATES

When you look at this image, what colour are the left and right hearts?

Well, The hearts are actually the same colour, it is the lines over them that are of different colours.

Image source.

SPINNING DANCER

Is the lady spinning clockwise or counter-clockwise? You may even see the figure suddenly spin in the opposite direction if you look closely.

Did you know this figurine is used to determine whether or not people are right-brain (creative) or left-brain (logical) dominant?

Viewers are told that if they view the dancer as standing on her left leg and spinning clockwise, then they are right-brain dominant (creative), and if they see the reverse (the dancer standing on her right leg and spinning counter-clockwise), then they are left-brain dominant (logical).
Read more.

So how does it work? It has to do with our visual cues and bistable perception. This occurs when visual cues are ambiguous and our brain tries to make sense of it.

A path between rice fields

A work by Japanese artist Makoto Aida titled AZEMICHI. 

This photograph shows a young Japanese schoolgirl standing between two rice fields. The painting creates an optical illusion with the little girl’s parted hairline as it merges with the divide between the rice fields.

Read more.

Are you colourblind?

What number do you see in the circle?

Answer: You should be able to see the number 74, but people with red-green colour blindness see a 21. Those with total colour blindness see nothing.

For more colour blind test click here.

Direction confusion

Are both arrows pointing the same direction on the paper behind the glass?

What is happening? This image showcases the effects of refraction (the bending of light).

Read more.

DANCING DOG

Timing is everything.

Tell that to the man, busy reading his morning news.
I guess, “Dreams”, really do come true, doesn’t it?

Image source.

SPOT THE PREDATOR

In this image try finding the predator.

Then scroll down to the coloured version of the same image, and try again.

Why is it so easy this time? The reason is that the second image shows the surfaces according to the quality of light they reflect (not just their intensity), while in the first image you are only seeing the surfaces according to the amount of light they reflect.

In other words, your brain has a lot more information for making its decisions.

Read more.


If you liked our curated set of Optical Illusions for kids and are keen to learn more about Optics, join us now to receive an “Optics” box for your child next month. Sign up for our VIP Adventure to receive the first two boxes at HALF PRICE for $19/month. Join here.

Extra reading: check out our posts on 11 places to visit for your next science expedition and our blog on 11 best science fiction books for kids.

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