Did You Know?
Light can travel super fast!
How Light Works
Light comes from many things like the sun.
Colors of Light
Light can make colors like red and blue.
What light Does
Light helps us see in the dark.
It makes colors bright and fun.
Plants need light to grow big.
Light can be warm on your skin.
We use light to read books at night.
Light can make shadows on the ground.
More About light
Light has been here for a long time. It comes from the sun and stars. People have used light for many years. They made fire to see at night.
In our lives, we use light every day. We turn on lights when it is dark. We see colors and shapes with light. It helps us feel safe.
In the future, we will learn more about light. We might find new ways to use it. Light will help us in ways we do not know yet.
How Topics Connect
graph TD
A["Visible Light"] --> B["Electromagnetic Radiation"]
B --> C["Perceived by Human Eye"]
B --> D["Wavelengths: 400-700 nm"]
B --> E["Frequencies: 750-420 THz"]
D --> F["Adjacent to Infrared"]
D --> G["Adjacent to Ultraviolet"]
What Do These Words Mean?
electromagnetic radiation:Energy that travels in waves and includes light, radio waves, and X-rays.
wavelengths:The distance between two peaks of a wave.
frequencies:How often a wave repeats in a certain time.
visible spectrum:The range of light that we can see with our eyes.
optical radiation:Light and other types of radiation that can be seen or detected.
