We can only see objects when light shines on them or if the object makes its own light. Light can pass through transparent objects, but light cannot pass through opaque objects. Objects that only some light can pass through are called translucent.
To better understand how light works…
LET’S BREAK IT DOWN!
We need light to see things.
To see anything in the dark, you need to have light shining on it. Objects that make light are called light sources. The sun is our planet’s main light source.
There are many different light sources in our world.
Light sources can be natural like lightning or made by people like a flashlight. Some sources of light can be inside the house like lamps and a TV screen. Other light sources can be outside the house like car headlights or a campfire.
Some objects are transparent.
Light passes through some objects but not others. If you shine a flashlight on a sheet of glass, the light passes through. A sheet of glass is transparent.
Some objects are translucent.
If you shine a flashlight on a piece of tissue, some light passes through it. You can still see some light. A piece of tissue is translucent.
Some objects are opaque.
If you shine a flashlight on a basketball, the basketball blocks the light. A basketball is opaque. Anything you cannot see through is opaque.
QUESTIONS ABOUT LIGHT
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