A shadow is like when you block light and make a dark shape, while a reflection is like when you see yourself in a shiny surface, like a puddle or a mirror.
What Is a Shadow?
Imagine you're playing with a flashlight in a dark room. When you put your hand in front of the light, a dark shape appears on the wall, that’s your shadow! It’s like you’re hiding the light from the wall, so it can’t shine through. Shadows are usually behind or next to you, and they change size depending on how close the light is.
What Is a Reflection?
Now imagine you're looking at a shiny puddle after rain. You see yourself in it, that’s your reflection! It's like the light bounces off you and then goes back into your eyes through the water. Reflections look just like you, but they can be wobbly or distorted if the surface isn’t perfectly still.
Shadows are dark shapes made by blocking light, while reflections are like seeing yourself in a shiny object, both fun ways to play with light!
Examples
- A shadow is like a silhouette cast by an object blocking light, while a reflection shows the image of something in another surface.
- Imagine holding up your hand to block sunlight, you see a shadow on the ground. If you look into a pond, you might see your face reflected in the water.
- Shadows stay still even when you move, but reflections change with your position.
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See also
- Why Do Mirrors Reflect But Not Absorb?
- Can I compute the mass of a coin based on the sound of its fall?
- Do we know why there is a speed limit in our universe?
- Does someone falling into a black hole see the end of the universe?
- Are units of angle really dimensionless?