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We can only see something if light is reflected off it. Our eyes see shadows because there is less light reflected from the shadow than the surrounding area.

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Q: Why do a shadow form behind the a tree?
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Why does a shadow form behind you when the sun shines?

It forms a shadow behind you when the sun shines in front of you because you block the sunlight which forms darkness which is basically your shadow.


Why does a tree in the path of sunlight create a shadow instead of the spreading around the tree?

Light travels in straight lines and therefore some will hit the tree. Where this happens a shadow (absence of light) is created behind the tree.


Why does a tree in the path of sunlight create a shadow instead of the light spreading around the tree?

Light travels in straight lines and therefore some will hit the tree. Where this happens a shadow (absence of light) is created behind the tree.


Why a shadow forms behind a tree?

Light from the sun (or any other source) travels in particles, which strike objects and are often partially absorbed. A shadow forms behind a tree because when the particles hit the tree, they are absorbed and reflected, so that everything on the other side of the tree, where the light would have gone, receives no light. However, some light will bounce off of other objects and go behind the tree in the other particles' place. Since this other light will already have been partially absorbed, it will be more dim than direct light. Because of this, we are able to see in the shadow, but since the light there is not as strong, it is darker. This darker region behind the tree, is the shadow.


Why does a tree in the path of sunlight create a shadow instead of the light spreading around trees?

Light travels in straight lines and therefore some will hit the tree. Where this happens a shadow (absence of light) is created behind the tree.


Why does a shadow form behind an opaque object?

Light from the sun (or any other source) travels in particles, which strike objects and are often partially absorbed. A shadow forms behind a tree because when the particles hit the tree, they are absorbed and reflected, so that everything on the other side of the tree, where the light would have gone, receives no light. However, some light will bounce off of other objects and go behind the tree in the other particles' place. Since this other light will already have been partially absorbed, it will be more dim than direct light. Because of this, we are able to see in the shadow, but since the light there is not as strong, it is darker. This darker region behind the tree, is the shadow.


Why does a shadow not form behind an opaque object?

because light passes through, and you cant have a shadow with light on now can you?


Why does a shadow form behind the dog when a light shines on it?

The dog stops the light.


What is the tree that has no shadow?

Well, no trees have a shadow if it is dark, or if they are shaded by a bigger tree. But a family tree may have no shadow.


When is your shadow behind you?

When the sun is shining in your face, your shadow will be behind you.


What happens to your shadow if you stand in the lights of a tree's shadow?

A tree's shadow does not have light. Anytime you are in the shadow of another object your body has no shadow of its own.


How tall is a tree if woman is 5ft and her shadow is 4ft and near by tree shadow is 10ft?

The tree is 12.5 feet in height