Did You Know?
Sunlight can help plants make food!
How Sunlight Works
Sunlight comes from the Sun. It travels to Earth.
Sunlight and Weather
Sunlight can make the day hot. It can also make clouds.
What sunlight Does
It helps plants grow big.
It keeps us warm and bright.
It makes shadows on the ground.
It helps us see colors.
It gives us vitamin D.
It makes the sky look blue.
More About sunlight
Sunlight has been here for a long time. It comes from the Sun, which is a big star. The Sun is very hot and bright. It gives light to our whole world.
We need sunlight every day. It helps plants grow and gives us energy. When we go outside, we can feel the warmth on our skin.
In the future, we can use sunlight for power. This is called solar energy. It can help us save the Earth!
How Topics Connect
graph TD
A["Sunlight"] --> B["Electromagnetic Radiation"]
B --> C["Visible Light"]
B --> D["Infrared Light"]
B --> E["Ultraviolet Light"]
A --> F["Scattering and Filtering"]
F --> G["Daylight"]
F --> H["Diffused Sunlight"]
What Do These Words Mean?
electromagnetic radiation:Energy that travels in waves and includes light, heat, and other types of energy.
infrared:A type of light that we can't see but we can feel as heat.
ultraviolet:A type of light that is invisible to our eyes and can cause sunburn.
scattered:When light is spread out in different directions.
irradiance:The amount of sunlight energy received on a surface.
