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Video: How shadows are made ; Shadows are the absence of light; Changing the size of shadows; Activity 1: Shadows quiz; Activity 2: Shadow puppets; Activity 3: Investigating shadows
This short animated film explores how shadows are made. A shadow forms when an opaque or non-transparent object blocks light from passing through and reaching a surface on the other side.
How shadows are formed. A shadow is a dark shape made when light is stopped or blocked by an object or a person. Some objects are opaque such as stone, metal and wood. This means light doesn't...
Key learning points. When light falls on some objects, a dark shape is formed on the other side of the object. A shadow is a dark shape that is formed when an object blocks light. Opaque objects do not allow light to travel through them. A shadow does not show the features of an object.
There aren’t many people who haven’t heard of the term shadows. But why and how are shadows formed? To understand shadows, you will first need to understand transparent, and opaque objects. Transparent objects like a glass sheet or water are those which allow light rays to pass through it.
- 3 min
- A shadow is actually just a space or region, where there is no light since an opaque object is blocking light rays. The position and intensity of t...
- An opaque object is something that allows no light through it. Concrete, wood, and metal are some examples of opaque materials. Some materials can...
- Refraction is the change in the direction of a wave passing from one medium to another. Refraction is the bending of a wave when it passes from one...
- There are countless sources of light, but they can all be categorised under either of the two following categories- Natural sources Artificial sou...
- When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the reflection of light. The incident light r...
In this lesson, we will be learning about shadows and how they are formed. You will need a pencil, a piece of paper, and some objects from around your home. These will be explained in the video.
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How are shadows formed?
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Key learning points. A shadow is a dark shape formed when light is stopped or blocked by an object. Opaque objects do not allow light to travel through them. Translucent objects let some light through. A shadow can be different sizes depending on the distance of the object from the light source.
