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Daytime Shadows | National Schools' Observatory

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The next time it's a sunny day, go outside and have a good look at your own shadow. If it's midday then you will cast a shorter shadow than if it's late afternoon or early morning - just like in the above animation.

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Daytime Shadows | National Schools' Observatory

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The next time it's a sunny day, go outside and have a good look at your own shadow. If it's midday then you will cast a shorter shadow than if it's late afternoon or early morning - just like in the above animation.

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Earth Rotation | National Schools' Observatory

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The Earth rotates from west to east, which makes the Sun appear to rise in the east and set in the west, but it is due to the Earth spinning rather than the Sun moving. It is daytime on the side facing the Sun, and night on the side facing away.

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All of you would have at some point of time used your hands to make shadows of different animals like dogs, deer and peacocks on the wall in the light of a candle or torch. It is still one of the most favourite pastimes of the children who live in areas that experience frequent power cuts. Take a look around you, and you will find a number of things that have shadows. You will see that furniture, decoration pieces, trees, electrical appliances and many more things in your house have shadows. But have you ever wondered how these amazing shadows are formed?

How are Shadows formed?

Shadows are formed when an opaque object is placed in the path of light rays. An object through which no light can pass is known as opaque. One such example is your body. Since light cannot pass through your body, it forms a dark region. This dark region where the light cannot reach is known as a shadow. Opaque objects form clear dark shadows. A transparent object does not make any shadow as light passes straight through it. Translucent objects create faint shadows as light is able to pass only partially through them.

While the presence or absence of light is responsible for forming shadows, there are other factors related to it that determine the shape and size of the shadows. If the angle of the light is smaller, then the shadow formed will be much longer than usual. If the object is very close to the light source, larger shadows are formed and if an object is moved away from the light source, the shadow becomes smaller in size. The size of the shadows is also determined by whether the object is in motion or not. The size of the shadow is always slightly longer and larger than the moving object.

The size of the light source also plays an important role in the formation of shadows. Bigger light sources form blurry shadows. If the light source originates from various directions and points, several shadows will be formed and some of them may even overlap. Depending on the color of the light, you will also see shadows of different shades. Coloured shadows are formed when the multi-coloured light sources produce white light.

Interesting facts about Shadows

1. Shadow puppetry is the art of using the shadows of puppets to entertain the audience.

2. Your shadow is longest in the early morning and in the late afternoon. In the afternoon, when the sun is directly above you, your shadow leaves your side for a little while. The sun makes the longest shadows at the beginning and at the end of the day because at that time, the sun is lowest in the sky and aimed at the sides of the various things on the earth. When the sun is directly above you, there is little or no shadow because the light from the sun is falling upon you from all the sides and there is hardly any dark region.

3. A long time ago, people observed the way shadows were formed by the sun and utilized this principle in making the world's most primitive clocks, the sundials.

For more such interesting General Knowledge articles and videos for kids.

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What is a Shadow? - General Knowledge for Kids | Mocomi

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All of you would have at some point of time used your hands to make shadows of different animals like dogs, deer and peacocks on the wall in the light of a candle or torch. It is still one of the most favourite pastimes of the children who live in areas that experience frequent power cuts.

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How are shadows formed? - General Knowledge for Kids

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Does everything has a shadow?
Take a look around and see what all things form shadows. You will notice that swings, trees, cars, tables and almost everything else has a shadow. Any object - living or non living that can block light can cast shadows.
How are shadows formed?
Sometimes objects can block light which means that no light is able to pass through that object. An object from which no light can pass through is called an opaque object. The easiest example is our body. Stand in the way of a beam of a light from a small torch. Ask someone to stand behind you and spot the beam of light. The person behind you will see no light since your body did not allow it to pass. Whenever light is not able to go through an object, it creates a dark area around the object. This patch where the light can not reach is called a shadow. Opaque objects create clear dark shadows.
Why do shadows keep changing sizes?
The size of the shadow depends on the angle at which the light is falling on the object. Your shadow keeps changing throughout the day. It is longest in the early morning and the late afternoon? At noon, when the sun is overhead there is little or no shadow at all. Why? The position of sun changes throughout the day, thus changing the angle at which the rays fall on the ground. A long time ago people tracked the length of shadows throughout the day to keep track of time. The world's earliest clock was a .
Why does our shadow chase us?
If the source of the light is moving, the direction of the light rays in which they fall on the object also changes. This movement of light from the source makes the shadow move. In the case when the object is moving, the shadow moves as it is formed where all the moving object blocks light. It is that simple!

Did you know that shadows are used to make puppets? Yes, they are, and such an art is called Shadow Puppetry!

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Does everything has a shadow? Take a look around and see what all things form shadows. You will notice that swings, trees, cars, tables and almost everything else has a shadow. Any object - living or non living that can block light can cast shadows. How are shadows formed?

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A new shadow friend on the ground causes Dawn to find out more about what makes shadows come and go! Shadow play becomes the game of the day when Dawn plays hide and seek with the sun! Our audience learns how to make an eagle and alligator as hand shadows.

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Light and Shadow | Science For Kids | Grade 2 | Periwinkle

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Light and Shadow Do you ever think why do we see so many start at night while only one star during the day? Sun gives us light which help us to see objects. During night we get this light from different man made objects.

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Day and Night Explanation,Causes  Science for Kids

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Why is the sky blue in day and black in night? - Interesting facts about nature